Trip from Plano, TX to Llano Grande, TX

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed May 28, 2026 · Editorial standards

Drive Time

9h 38m

Distance

551.1 mi

887 km

Drive Score

8/10

Great drive

Same Day?

2-day trip

Fuel Cost

$88

one way

EV Charging

Unknown

Best Time to Leave

Save up to 27 min

4 AM

9h 29m ★

6 AM

9h 38m

8 AM

9h 56m

10 AM

9h 44m

12 PM

9h 43m

3 PM

9h 45m

5 PM

9h 55m

8 PM

9h 33m

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

Best Time Drive vs Fly

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city in Collin and Denton counties in Texas, United States

Plano, TX

Wikimedia Commons

Llano Grande, TX

Jeff Stapleton

Trip Overview

Plano to Llano Grande is 551.1 miles and takes about 9h 38m via South R L Thornton Freeway and TX 130 Toll, with a fuel budget near $82 and enough daylight to finish in a day if you start early, though it's recommended for 2 days. This long-haul drive takes you across Texas, starting in the Great Plains region and ending in a similar landscape. If you're looking for a straightforward trip with a significant portion on major highways, this route fits the bill. It's a substantial drive, best broken up over two days to avoid fatigue.

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

275.6 miles from Plano, TX

A natural place for your longest stop of the day , about 4h 39m 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
I 69C	27.9 mi	30m

Longest stretch: South R L Thornton Freeway — 89.9 mi, about 1h 32m

Traffic on I-35

Hour-of-day weekday pattern from 24 FHWA count stations on your route.

Peak

4 PM

~4,007 veh/hr typical · worst 4,783

Quietest

2 AM

~579 veh/hr

Peak-to-quiet ratio

6.9×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 51 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 Plano, TX and Llano Grande, TX.

Start on East 15th Street

0.6 mi · 1 min · East 15th Street

Use the straight lane.

Turn left onto Central Expressway

0.2 mi · 17 sec · Central Expressway

Use the left / straight lanes.

Take the ramp

0.2 mi · 19 sec

Toward US 75 South

Merge onto US 75

17 mi · 17 min · Central Expressway

Use the straight / slight right lanes.

Take the exit

501 ft · 12 sec

Exit 284C Toward Downtown, Good-Latimer Expressway Use the slight left lane.

Continue on North Central Expressway

0.7 mi · 1 min · North Central Expressway

Use the left / straight lanes.

Turn right onto Elm Street

304 ft · 10 sec · Elm Street

Turn left onto North Pearl Expressway

0.2 mi · 28 sec · North Pearl Expressway

Use the straight lane.

Turn right onto Young Street

0.1 mi · 19 sec · Young Street

Turn left onto South Harwood Street

315 ft · 8 sec · South Harwood Street

Use the left lane.

Turn right onto Canton Street

0.4 mi · 47 sec · Canton Street

Take the ramp

0.3 mi · 38 sec

Toward I 30 West

Keep slight left at fork

0.1 mi · 14 sec

Toward I 35E South, I 35E North: Waco, Denton

Keep slight left at fork

221 ft · 5 sec

Toward I 35E North, I 35E South: Denton, Waco Use the straight / slight right lanes.

Keep slight left at fork

0.4 mi · 30 sec

Toward I 35E South: Waco Use the left / right lanes.

Continue on I 35E

0.5 mi · 44 sec · South R L Thornton Freeway

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.

Continue on I 35; US 77

6.6 mi · 7 min · North Jack Kultgen Expressway

Use the straight / slight right lanes.

Continue on I 35

38 mi · 39 min · Purple Heart Trail

Use the straight / slight right lanes.

Keep slight left at fork onto I 35

26 mi · 26 min · I 35

Use the straight / slight right lanes.

Take the exit

0.7 mi · 55 sec

Exit 265 Toward TX 130 Toll South: San Antonio Use the slight right lane.

Continue on TX 130 Toll

86 mi · 1 hr 19 min · TX 130 Toll

Use the straight / slight right lanes.

Keep slight right at fork

0.6 mi · 1 min

Toward I 10 West: San Antonio Use the slight left / slight right lanes.

Merge onto I 10; TX 130

11 mi · 11 min · I 10; TX 130

Use the straight / slight right lanes.

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.

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.

Keep slight right at fork onto I 410

1.4 mi · 1 min · Connally Loop

Use the straight / slight right lanes.

Merge onto I 410; TX 130

6.7 mi · 7 min · Connally Loop

Use the straight / slight right lanes.

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.

Keep slight left at fork

0.5 mi · 1 min

Toward I 37 South: Corpus Christi Use the slight left / slight right lanes.

Merge onto I 37

60 mi · 1 hr 1 min · I 37

Use the straight / slight right lanes.

Take the exit onto US 281 South

15 mi · 19 min · US 281 South

Toward US 281 South Use the straight / slight right lanes.

Keep slight left at fork onto US 281

66 mi · 1 hr 10 min · South Nueces Street

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

9.5 mi · 10 min · I 69C; US 281

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

56 mi · 58 min · Falfurrias Expressway

Use the straight / right lanes.

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

18 mi · 20 min · I 69C; US 281

Use the straight / slight right lanes.

Merge onto I 2 East; US 83 East

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

Continue on I 2; US 83

12 mi · 13 min · I 2; US 83

Use the straight / slight right lanes.

Take the exit

0.3 mi · 43 sec

Exit 160 Toward FM 1015: International Boulevard Use the slight right lane.

Turn straight onto East Expressway 83

0.2 mi · 22 sec · East Expressway 83

Turn right onto 3½W

2.4 mi · 5 min · North Pleasantview Drive

Turn right

0.1 mi · 36 sec

Turn left onto Erasmo Drive

123 ft · 5 sec · Erasmo Drive

Arrive at destination

Erasmo Drive

Trip Plan

Given the 9-hour 38-minute estimated duration, splitting this drive over two days is highly recommended for a safer and more enjoyable experience. Plan to leave Plano early in the morning to maximize daylight, especially if you intend to drive a significant portion on day one. Aim for a stop around the halfway point or where lodging is readily available. Keep an eye on your fuel gauge, as the longest stretch without a significant break is nearly 90 miles. Breaking up the 551.1 miles means you'll be looking at roughly 275 miles per day, making for manageable driving segments.

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 275.6 miles from Plano, TX, or about 4h 39m 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 121 miles or 2h 9m in

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

Halfway reset

Around 275.6 miles or 4h 39m 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 275.6 miles or 4h 39m

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 28m

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

Before You Leave

Open the route before leaving Plano, 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 Plano, TX

Aim for roughly 276 miles and 4.8 hours of wheel time on this day.

Day 2

Finish the approach into Llano Grande, TX

Aim for roughly 276 miles and 4.8 hours of wheel time on this day.

Your first comfortable stop window is around 121 miles from Plano, 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.

First major stop

Coffee and fuel

Troy, TX

182 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.

Second major stop

Overnight candidate

San Antonio, TX

364 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

Austin, TX

276 mi · about 4.8h in

A practical overnight split lands near Austin, TX after about 276 miles or 4.8 hours of driving.

Find hotels

Pacing Suggestions

Troy, TX

Fuel and coffee

A short stop after about 121 miles helps settle the day before fatigue starts building.

Timberwood Park, TX

Meal break

The midpoint is around 275.6 miles from Plano, 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

2.5 mi from route

Estero Llano Grande State Park

4.8 ★ ★ ★ ★ ★

Near the end, right off the route

Home stretch 0.7 mi from route ~2 min detour

Weslaco, Texas

Hours: 8 am–10 pm

+19565653919

Visit website

4.5 ★ ★ ★ ★ ★

Near the end, ~11 min detour

Home stretch 4.4 mi from route ~11 min detour

Edinburg, Texas

Hours: 7 am–8 pm

+19567847500

Visit website

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

Heads-up: tricky spots

5 of 35

5 decision points cluster between mile 17.5 and 309 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

17.5 mi into trip | ~19m 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

19.7 mi into trip | ~24m 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

19.7 mi into trip | ~24m 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

180.9 mi into trip | ~3h 10m 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

309 mi into trip | ~5h 14m 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

$88.11 one way

$176.22 round trip

$4.06/gal 25.4 MPG avg 193 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.47	$96.88	$193.75
premium	$4.79	$103.88	$207.77
diesel	$5.52	$119.83	$239.66

Estimated Tolls: $1.40

Central Expressway (17.5 mi) $1.40

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

$88

Tolls

Hotel (1n)

$80–$140

Meals

$50–$100

Total

$220–$330

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

Estimated CO2 emission: 192.8 kg one way. Prices: EIA weekly data, 2026-05-25.

Driving Electric?

About $58 in charging · 2 stops · 67% less CO₂

Vehicle Type	kWh	Stops	DC Fast	Home Charge
Average EV	165.3	2	$57.87	$26.45
Efficient EV	137.8	1	$48.22	$22.04
EV Truck/SUV	220.4	2	$77.15	$35.27

Gas CO2

193 kg

EV CO2

64 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 May 27, 2026

Origin

Plano, TX

Evening in Plano on Wednesday

Local time

8:30 PM

CDT

Current temp

82°F

Chance Showers And Thunderstorms

SSE 5 mph 50% chance Live forecast

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued May 27 at 9:31AM CDT until May 27 at 10:00AM CDT by NWS Brownsville TX

Flash Flood Warning

Flash Flood Warning issued May 27 at 9:24AM CDT until May 27 at 12:30PM CDT by NWS Fort Worth TX

Destination

Llano Grande, TX

Evening in Llano Grande on Wednesday

Local time

8:30 PM

CDT

Current temp

90°F

Chance Showers And Thunderstorms

SE 12 mph 41% chance Live forecast

Severe Thunderstorm Warning

Severe Thunderstorm Warning issued May 27 at 9:31AM CDT until May 27 at 10:00AM CDT by NWS Brownsville TX

Flash Flood Warning

Flash Flood Warning issued May 27 at 9:24AM CDT until May 27 at 12:30PM CDT by NWS Fort Worth TX

70°F

Troy, TX

182 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

8 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 38m 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

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...

6 mi from route ~16 min detour Free near mile 304.1

View on nps.gov

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...

6 mi from route ~14 min detour Free near mile 114

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 predominantly highway cruising, with 78% of the route on major roads like South R L Thornton Freeway and TX 130 Toll. You'll experience a significant stretch of 89.9 miles on South R L Thornton Freeway, offering uninterrupted travel. The transition away from the highway system means you'll eventually navigate surface streets, particularly on South Nueces Street, as you approach your destination. Expect a mix of high-speed travel and more localized driving as you get closer.

78% highway — fuel and pacing are the main things to plan.

44 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 17.5 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 35 significant decision points across 551.1 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 17.5 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 19.7 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 19.7 miles: Highway fork - watch signs carefully. Lane positioning matters here.

Elevation Profile

Mostly flat terrain

771 ft 72 ft

Total Climb

480 ft

Total Descent

1,076 ft

Highest Point

771 ft

~196.8 mi in

Elevation Range

699 ft

Towns Mentioned on Route Signs

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

On the drive from Plano, TX to Llano Grande, TX, road signs begin pointing toward Corpus Christi along the way.

Corpus Christi

309 mi in | ~5h 14m

About the Cities

Starting in Plano, TX

Full guide →

Founded 1873

Plano is a city of 285,000 people (2020) in the Dallas-Fort Worth Metroplex region of Texas and is north of Dallas. It is home to the headquarters of several large corporations.

Top landmarks

• Heritage Farmstead Museum — building in Texas, United States
• Plano Station, Texas Electric Railway — historic place in Plano, Collin County, Texas

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 276 miles on day one.

Expect about $1.40 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 54 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 Llano Grande, 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 54 rest areas along the route for bathroom stops.

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

Not recommended in a single day. At 9.6 hours each way, a round trip means 19.3 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Llano Grande, 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, EIA for fuel prices, 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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