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Trip from McKinney, TX to Mercedes, TX

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Oct 19, 2026 · Editorial standards

Drive Time

9h 52m

Distance

566.6 mi

912 km

Drive Score

8/10

Great drive

Same Day?

2-day trip

Fuel Cost

$84

one way

EV Charging

Unknown

Best Time to Leave

Save up to 27 min
4 AM
9h 44m ★
6 AM
9h 53m
8 AM
10h 11m
10 AM
9h 59m
12 PM
9h 57m
3 PM
10h 0m
5 PM
10h 10m
8 PM
9h 47m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

city in Collin County, Texas, United States

McKinney, TX

Wikimedia Commons

city in Texas, USA

Mercedes, TX

Wikimedia Commons

Trip Overview

McKinney, TX to Mercedes, TX is 566.6 miles and takes about 9h 52m via South R L Thornton Freeway and TX 130 Toll, with a fuel budget near $81 and an overnight recommended. This long-haul drive spans across the Great Plains region of Texas, taking you from the area north of Dallas down to the southern tip of the state. Given the nearly 10-hour travel time, it's best split over two days to avoid fatigue and allow for a more relaxed pace. You'll encounter a mix of major highways and surface streets as you make your way south.

Trip Pace

Best split across 2 days

Treat the return leg as its own travel day rather than an afterthought.

Break Rhythm

2 planned breaks

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

283.3 miles from McKinney, TX

A natural place for your longest stop of the day , about 4h 49m into the drive .

Main Roads

Road Distance Duration
South R L Thornton Freeway 89.9 mi 1h 32m
TX 130 Toll 86.1 mi 1h 19m
South Nueces Street 66.2 mi 1h 10m
I 37 60.5 mi 1h 1m
Falfurrias Expressway 55.8 mi 58m
Purple Heart Trail 37.9 mi 39m
I 10 32.5 mi 33m
Central Expressway 29.2 mi 31m
Longest stretch: South R L Thornton Freeway — 89.9 mi, about 1h 32m

Traffic on I-35

Hour-of-day weekday pattern from 48 FHWA count stations on your route.

Peak

4 PM

~3,895 veh/hr typical · worst 4,744

Quietest

2 AM

~570 veh/hr

Peak-to-quiet ratio

6.8×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 104 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).

Turn-by-Turn Driving Directions

Step-by-step road directions between McKinney, TX and Mercedes, TX.

1

Start on North Tennessee Street

119 ft · 12 sec · North Tennessee Street
2

Turn left onto East Virginia Street

1.4 mi · 3 min · East Virginia Street
3

Turn left onto South Central Expressway

0.6 mi · 52 sec · South Central Expressway
4

Take the ramp

0.3 mi · 42 sec
Toward US 75 South, TX 121 South Use the left lane.
5

Merge onto US 75; TX 121

29 mi · 31 min · Central Expressway
Use the straight / slight right lanes.
6

Take the exit

501 ft · 12 sec
Exit 284C Toward Downtown, Good-Latimer Expressway Use the slight left lane.
7

Continue on North Central Expressway

0.7 mi · 1 min · North Central Expressway
Use the left / straight lanes.
8

Turn right onto Elm Street

304 ft · 10 sec · Elm Street
9

Turn left onto North Pearl Expressway

0.2 mi · 28 sec · North Pearl Expressway
Use the straight lane.
10

Turn right onto Young Street

0.1 mi · 19 sec · Young Street
11

Turn left onto South Harwood Street

315 ft · 8 sec · South Harwood Street
Use the left lane.
12

Turn right onto Canton Street

0.4 mi · 47 sec · Canton Street
13

Take the ramp

0.3 mi · 38 sec
Toward I 30 West
14

Keep slight left at fork

0.1 mi · 14 sec
Toward I 35E South, I 35E North: Waco, Denton
15

Keep slight left at fork

221 ft · 5 sec
Toward I 35E North, I 35E South: Denton, Waco Use the straight / slight right lanes.
16

Keep slight left at fork

0.4 mi · 30 sec
Toward I 35E South: Waco Use the left / right lanes.
17

Continue on I 35E

0.5 mi · 44 sec · South R L Thornton Freeway
18

Continue on I 35E

89 mi · 1 hr 31 min · South R L Thornton Freeway
Exit 426 Toward Dallas Zoo Use the straight / slight right lanes.
19

Continue on I 35; US 77

6.6 mi · 7 min · North Jack Kultgen Expressway
Use the straight / slight right lanes.
20

Continue on I 35

38 mi · 39 min · Purple Heart Trail
Use the straight / slight right lanes.
21

Keep slight left at fork onto I 35

26 mi · 26 min · I 35
Use the straight / slight right lanes.
22

Take the exit

0.7 mi · 55 sec
Exit 265 Toward TX 130 Toll South: San Antonio Use the slight right lane.
23

Continue on TX 130 Toll

86 mi · 1 hr 19 min · TX 130 Toll
Use the straight / slight right lanes.
24

Keep slight right at fork

0.6 mi · 1 min
Toward I 10 West: San Antonio Use the slight left / slight right lanes.
25

Merge onto I 10; TX 130

11 mi · 11 min · I 10; TX 130
Use the straight / slight right lanes.
26

Continue on I 10; US 90; TX 130

9.4 mi · 9 min · I 10; US 90; TX 130
Use the straight / slight right lanes.
27

Keep slight left at fork onto I 10; US 90; TX 130

12 mi · 12 min · I 10; US 90; TX 130
Use the straight / slight right lanes.
28

Keep slight right at fork onto I 410

1.4 mi · 1 min · Connally Loop
Use the straight / slight right lanes.
29

Merge onto I 410; TX 130

6.7 mi · 7 min · Connally Loop
Use the straight / slight right lanes.
30

Take the exit

0.2 mi · 28 sec
Exit 41 Toward I 37, US 281 North: San Antonio, Corpus Christi Use the straight / slight right lanes.
31

Keep slight left at fork

0.5 mi · 1 min
Toward I 37 South: Corpus Christi Use the slight left / slight right lanes.
32

Merge onto I 37

60 mi · 1 hr 1 min · I 37
Use the straight / slight right lanes.
33

Take the exit onto US 281 South

15 mi · 19 min · US 281 South
Toward US 281 South Use the straight / slight right lanes.
34

Keep slight left at fork onto US 281

66 mi · 1 hr 10 min · South Nueces Street
35

Keep slight left at fork onto I 69C; US 281

9.5 mi · 10 min · I 69C; US 281
36

Keep slight left at fork onto I 69C; US 281

56 mi · 58 min · Falfurrias Expressway
Use the straight / right lanes.
37

Keep slight left at fork onto I 69C; US 281

18 mi · 20 min · I 69C; US 281
Use the straight / slight right lanes.
38

Merge onto I 2 East; US 83 East

0.5 mi · 33 sec · I 2 East; US 83 East
39

Continue on I 2; US 83

16 mi · 17 min · I 2; US 83
Use the straight / slight right lanes.
40

Take the exit

0.4 mi · 48 sec
Exit 163B Toward FM 491: Texas Avenue Use the slight right lane.
41

Turn straight onto Expressway 83

0.1 mi · 17 sec · Expressway 83
42

Turn right onto FM 491

0.4 mi · 46 sec · North Texas Avenue
43

Arrive at destination

South Texas Avenue

Trip Plan

With a drive time of nearly 10 hours, this route is best tackled over two days. Consider departing early in the morning to maximize daylight, especially if you're splitting the drive into two segments. Plan for at least two stops to stretch your legs and refuel, keeping in mind the estimated $81 fuel cost. The longest stretch without a major change in road type is nearly 90 miles, so plan your breaks accordingly. To make the most of this drive, aim to cover roughly half the distance on the first day, allowing for a restful overnight before completing the remaining miles.

Morning Departure

Start early — leave by 6-7 AM to arrive at a reasonable hour.

Evening Departure

This is a long drive — plan for a morning departure or consider splitting it into two days.

This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 283.3 miles from McKinney, TX, or about 4h 49m into the drive.
The longest continuous stretch on this route runs about 89.9 miles.

Consider an overnight stop or starting very early.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 125 miles or 2h 14m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 283.3 miles or 4h 49m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Overnight split

Day 1 wrap after about 283.3 miles or 4h 49m

Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.

Final approach

Final hour starts around 8h 46m

Traffic, exits, and arrival timing usually matter more near Mercedes, TX than in the middle of the route.

Before You Leave

+

Open the route before leaving McKinney, TX so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

+

Pick one backup stop option before the midpoint in case traffic changes your pacing.

+

Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.

Day 1

Settle into the route from McKinney, TX

Aim for roughly 283 miles and 4.9 hours of wheel time on this day.

Day 2

Finish the approach into Mercedes, TX

Aim for roughly 283 miles and 4.9 hours of wheel time on this day.

Your first comfortable stop window is around 125 miles from McKinney, TX.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on South R L Thornton Freeway for about 89.9 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

city in Texas, USA; suburb of the Dallas-Fort Worth Metroplex

First major stop

Coffee and fuel

Mansfield, TX

187 mi into the route

Best for: Coffee, fuel, and an easy first stretch

This is a natural early stop once the first hours of the drive are behind you.

Popular next leg

Mansfield, TX to San Antonio, TX

258.4 mi · 4h 44m

Downtown San Antonio, TX, TX

Second major stop

Overnight candidate

San Antonio, TX

374 mi into the route

Best for: Hotel check-in, dinner, and a fresh start

This lines up well with a realistic day-end stop if you are breaking the drive into stages.

Find hotels in San Antonio, TX

Overnight Options

Night 1

San Antonio, TX

283 mi · about 4.9h in

A practical overnight split lands near San Antonio, TX after about 283 miles or 4.9 hours of driving.

Find hotels

Pacing Suggestions

Mansfield, TX

Fuel and coffee

A short stop after about 125 miles helps settle the day before fatigue starts building.

San Antonio, TX

Meal break

The midpoint is around 283.3 miles from McKinney, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before South R L Thornton Freeway if your tank is already low. That segment runs about 89.9 miles.

Overnight split

Hotel stop

For a steadier pace, wrap day one after about 283 miles or 4.9 hours on the road.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Stops Along Your Drive

Picked by where they fit in your drive — first break, midpoint reset, final stretch.

Bell County Northbound Rest Area

0 mi from route

Brooks County Rest Area

0 mi from route

Pilot Travel Center

0 mi from route

Road Ranger

0.1 mi from route

TA

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Hill County Northbound Rest Area

0.1 mi from route

Pilot Travel Center

0.1 mi from route

Rest Area

0.1 mi from route

Rest Area

0.1 mi from route

Live Oak County Southbound Rest Area

0.1 mi from route

Live Oak County Northbound Rest Area

0.1 mi from route

Picnic Area

0.1 mi from route

Picnic Area

0.1 mi from route

Flying J Travel Center

0.1 mi from route

Walburg Travel Center & Food Court

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Flying J Travel Center

0.1 mi from route

Flying J Travel Center

0.1 mi from route

Pilot Travel Center

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Petro Stopping Centers

0.1 mi from route

Buc-ee's

0.1 mi from route

Service Plaza

0.1 mi from route

QuikTrip

0.1 mi from route

QuikTrip

0.1 mi from route

QuikTrip

0.1 mi from route

QuikTrip

0.1 mi from route

QuikTrip

0.1 mi from route

Circle K

0.1 mi from route

Petro Stopping Centers

0.1 mi from route

Ascent Travel Center

0.1 mi from route

Flying J Travel Plaza

0.2 mi from route

Pilot Travel Center

0.2 mi from route

Jud's Travel Center

0.2 mi from route

Hill County Southbound Rest Area

0.2 mi from route

QuikTrip

0.2 mi from route

Road Ranger

0.2 mi from route

Pilot Travel Center

0.2 mi from route

Love's Travel Stop

0.2 mi from route

Love's Travel Stop

0.2 mi from route

TA

0.2 mi from route

Buc-ee's

0.2 mi from route

TA

0.3 mi from route

Service Plaza

0.3 mi from route

QuikTrip

0.3 mi from route

Bell County Southbound Rest Area

0.4 mi from route

Service Plaza

0.5 mi from route

Love's Travel Stop

0.9 mi from route

Minuteman Press

1.3 mi from route

SoPac Trail Rest Area

1.9 mi from route

Service Plaza

2.4 mi from route

Service Plaza

2.4 mi from route

Pilot Travel Center

2.5 mi from route

Heard Natural Science Museum & Wildlife Sanctuary

4.6 ★ ★ ★ ★ ★

Near the start, short detour

2.7 mi from route ~7 min detour

McKinney, Texas

Hours: 9 am–4 pm

+19725625566

Visit website

Estero Llano Grande State Park

4.8 ★ ★ ★ ★ ★

Near the end, short detour

Home stretch 3.2 mi from route ~8 min detour

Weslaco, Texas

Hours: 8 am–10 pm

+19565653919

Visit website

Cultural Activities Center

4.8 ★ ★ ★ ★ ★

Early in the drive, short detour

Early stretch 3.1 mi from route ~8 min detour

Temple, Texas

Hours: 8:30 am–4 pm

+12547739926

Visit website

Alamo Helicopter Tours

4.9 ★ ★ ★ ★ ★

Around the midpoint, ~9 min detour

Halfway reset 3.6 mi from route ~9 min detour

San Antonio, Texas

Hours: 12–10 pm

+12109212359

Visit website

Padre Park

4.5 ★ ★ ★ ★ ★

Around the midpoint, ~11 min detour

Halfway reset 4.5 mi from route ~11 min detour

San Antonio, Texas

Hours: 9 am–9 pm

+12102077275

La Sal Del Rey

4.5 ★ ★ ★ ★ ★

Near the end, ~11 min detour

Home stretch 4.5 mi from route ~11 min detour

Edinburg, Texas

Hours: 7 am–8 pm

+19567847500

Visit website

Doris D Miller Park

4.8 ★ ★ ★ ★ ★

Early in the drive, ~11 min detour

Early stretch 4.4 mi from route ~11 min detour

Waco, Texas

Hours: Open 24 hours

Visit website

Place data sourced from public business listings. Hours and availability may vary.

Heads-up: tricky spots

5 of 33

5 decision points cluster between mile 31.5 and 322.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

8
31.5 mi into trip | ~36m in

Take the exit toward Downtown, Good-Latimer Expressway

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left lane. Exit 284C Toward Downtown, Good-Latimer Expressway
9
33.6 mi into trip | ~40m in

Keep slight left at fork toward I 35E North, I 35E South: Denton, Waco

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Toward I 35E North, I 35E South: Denton, Waco
7
33.7 mi into trip | ~40m in

Keep slight left at fork toward I 35E South: Waco

Highway fork - watch signs carefully. Lane positioning matters here

Use the left / right lanes. Toward I 35E South: Waco
7
194.9 mi into trip | ~3h 27m in

Take the exit toward TX 130 Toll South: San Antonio

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Exit 265 Toward TX 130 Toll South: San Antonio
8
322.9 mi into trip | ~5h 30m in

Take the exit toward I 37, US 281 North: San Antonio, Corpus Christi

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 41 Toward I 37, US 281 North: San Antonio, Corpus...

Fuel & Cost

Regular Gas

$84.48 one way

$168.95 round trip

$3.79/gal 25.4 MPG avg 198 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.29 $95.68 $191.35
premium $4.66 $104.02 $208.04
diesel $5.78 $128.98 $257.96

Estimated Tolls: $2.44

Central Expressway (30.5 mi) $2.44

Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.

Estimated Trip Cost (one way, 1 person)

Fuel

$84

Tolls

$2

Hotel (1n)

$80–$140

Meals

$50–$100

Total

$217–$327

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 198.2 kg one way.

Driving Electric?

About $59 in charging · 2 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 170 2 $59.49 $27.20
Efficient EV 141.7 1 $49.58 $22.66
EV Truck/SUV 226.6 2 $79.32 $36.26

Gas CO2

198 kg

EV CO2

66 kg (67% less)

Plan for 2 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Oct 19, 2026

Origin

McKinney, TX

Afternoon in McKinney on Monday

Local time

12:03 PM

CDT

Current temp

50°F

Mostly Cloudy

0 mph 0% chance Live forecast

Destination

Mercedes, TX

Afternoon in Mercedes on Monday

Local time

12:03 PM

CDT

Current temp

66°F

Mostly Cloudy

NNW 6 mph 2% chance Live forecast

85°F

Mansfield, TX

187 mi in

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

16 degrees warmer at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

9h 52m on the road

This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

National Parks Near This Route

Worth a detour if your schedule allows.

San Antonio Missions National Historical Park

San Antonio Missions National Historical Park

National Historical Park

Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...

7 mi from route ~18 min detour Free near mile 332.1
View on nps.gov
Waco Mammoth National Monument

Waco Mammoth National Monument

National Monument

Standing as tall as 14 feet and weighing 20,000 pounds, Columbian mammoths roamed across what is present-day Texas thousands of years ago. Today, the fossil specimens represent the nation's first and...

7 mi from route ~17 min detour Free near mile 117.2
View on nps.gov
Palo Alto Battlefield National Historical Park

Palo Alto Battlefield National Historical Park

National Historical Park

On May 8, 1846, U.S. and Mexican troops clashed on the prairie of Palo Alto. The battle was the first in a two-year long war that changed the map of North America. Although the two countries have deve...

29 mi from route ~73 min detour Free near mile 566.6
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

What kind of drive is this?

This drive is primarily on highways, with 79% of the route utilizing them. Your longest continuous stretch on a highway will be 89.9 miles along South R L Thornton Freeway. Expect to transition from highway cruising to surface streets, such as South Nueces Street, as you approach your destination. The initial part of the drive will likely involve merging into urban traffic before opening up to longer stretches.

79% highway — fuel and pacing are the main things to plan.
43 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 89.9 mi on South R L Thornton Freeway.

How Hard Is This Drive?

10/10

This is a straightforward highway drive that stays mostly on South R L Thornton Freeway and TX 130 Toll. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 31.5 miles in.

Driving Effort 10/10

High effort - long or complex enough to need steady focus all day

Balances navigation complexity with total wheel time.

This is a demanding drive. With 33 significant decision points across 566.6 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: at 31.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 33.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 33.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Elevation Profile

Mostly flat terrain

736 ft 67 ft

Total Climb

392 ft

Total Descent

954 ft

Highest Point

736 ft

~202.3 mi in

Elevation Range

670 ft

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between McKinney, TX and Mercedes, TX, road signs point toward Downtown, Denton, Waco, Dallas Zoo and Corpus Christi.

Downtown

31.5 mi in | ~36m

Denton

33.5 mi in | ~40m

Waco

33.6 mi in | ~40m

Dallas Zoo

34.6 mi in | ~41m | via I 35E

Corpus Christi

322.9 mi in | ~5h 30m

About the Cities

Starting in McKinney, TX

Full guide →

Founded 1848

McKinney is a city in the Blackland Prairie region of Texas.

Top landmarks

  • • Heard-Craig House — historic place in McKinney, Collin County, Texas

Arriving in Mercedes, TX

Full guide →

Founded 1907

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Frequently Asked Questions

The longest stretch is about 89.9 miles on South R L Thornton Freeway. The full list of main roads is in the Roads section above.

Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 283 miles on day one.

Expect about $2.44 in tolls one way, starting with Central Expressway. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.

Yes — we found about 56 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Mercedes, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 56 rest areas along the route for bathroom stops.

The main spots that need attention: at 31.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 33.6 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 33.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Yes — San Antonio Missions National Historical Park, Waco Mammoth National Monument and Palo Alto Battlefield National Historical Park. See the National Parks section for detour distances and tips on detours.

Not recommended in a single day. At 9.9 hours each way, a round trip means 19.8 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Mercedes, TX before the return drive.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, USGS 3DEP for elevation, NPS for national parks, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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Explore more options from McKinney, TX or browse trips ending in Mercedes, TX.

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