Trip from Houston, TX to Merkel, TX

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Oct 22, 2026 · Editorial standards

Drive Time

7h 20m

Distance

396.7 mi

638 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$60

one way

EV Charging

Unknown

Best Time to Leave

Save up to 31 min

4 AM

7h 10m ★

6 AM

7h 20m

8 AM

7h 41m

10 AM

7h 28m

12 PM

7h 25m

3 PM

7h 29m

5 PM

7h 40m

8 PM

7h 14m

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

Best Time

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Houston, TX

Trace Hudson

Merkel, TX

Action Construction Equipment Ltd. - ACE

Trip Overview

Houston, TX to Merkel, TX is 396.7 miles and takes about 7h 20m via I 10 West and TX 71 West, with a fuel budget near $57 and enough daylight to finish in a day. This drive primarily uses surface roads, making it a more leisurely trip across the Great Plains. You'll be on local roads for the majority of this 396.7-mile route, so don't expect high-speed interstate cruising for the entire duration. Plan for a steady pace as you make your way from the Houston area to West Texas.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

2 planned breaks

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

Midpoint

198.4 miles from Houston, TX

A natural place for your longest stop of the day , about 3h 34m into the drive .

Main Roads

Road	Distance	Duration
TX 71	77.7 mi	1h 22m
Katy Freeway	74.1 mi	1h 20m
North US Highway 183	72.6 mi	1h 18m
US 84	40.5 mi	45m
North Neches Street	34.9 mi	39m
East Commerce Street	22 mi	25m
US 83	16.4 mi	18m
US 183	14.6 mi	16m

Longest stretch: TX 71 — 77.7 mi, about 1h 22m

Traffic on I-10

Hour-of-day weekday pattern from 8 FHWA count stations on your route.

Peak

7 AM

~6,042 veh/hr typical · worst 7,315

Quietest

2 AM

~672 veh/hr

Peak-to-quiet ratio

9×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 86 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 Houston, TX and Merkel, TX.

Start on Louisiana Street

0.1 mi · 24 sec · Louisiana Street

Use the straight / left lanes.

Take the ramp

0.4 mi · 52 sec

Toward I 10 West: San Antonio

Merge onto I 10; US 90

74 mi · 1 hr 20 min · Katy Freeway

Use the straight / slight right lanes.

Take the exit onto TX 71

0.5 mi · 33 sec · TX 71

Toward TX 71 West: La Grange, Austin

Keep slight left at fork onto TX 71

77 mi · 1 hr 22 min · TX 71

Use the straight / slight right lanes.

Continue on 71 Toll

1.9 mi · 2 min · Bastrop Freeway

Use the straight / slight right lanes.

Continue on TX 71

2.2 mi · 2 min · East State Highway 71

Use the straight / slight right lanes.

Take the exit

0.5 mi · 1 min

Toward US 183 North, 183 Toll North: Lampasas Use the straight / slight right lanes.

Merge onto US 183

0.4 mi · 26 sec · Bastrop Highway

Continue on 183 Toll

6.2 mi · 6 min · Bergstrom Expressway

Use the straight / slight right lanes.

Continue on US 183

15 mi · 16 min · US 183

Use the straight / slight right lanes.

Continue on 183A Toll

15 mi · 14 min · 183A Toll

Use the straight / slight right lanes.

Continue on US 183

36 mi · 38 min · North US Highway 183

Continue on US 183

2.3 mi · 4 min · South Key Avenue

Continue on US 183; US 190; US 281

0.2 mi · 14 sec · North US Highway 281

Keep slight left at fork onto US 183; US 190

37 mi · 40 min · North US Highway 183

At end of road, turn left onto US 84; US 183; TX 16

30 mi · 34 min · US 84; US 183; TX 16

Turn left onto US 67; US 84; US 183; US 377

1.7 mi · 2 min · Early Boulevard

Continue on US 67; US 84; US 377

22 mi · 25 min · East Commerce Street

Keep slight right at fork onto US 84; US 283

9.2 mi · 10 min · Wallis Avenue

Turn right onto US 84; US 283; TX 206

35 mi · 39 min · North Neches Street

Continue on US 83; US 84

16 mi · 18 min · US 83; US 84

Take the exit onto US 84

0.3 mi · 41 sec · US 84

Toward US 84 West, I 20 Business: Sweetwater, South 1st Street

Merge onto US 84; I 20 Bus

1.0 mi · 1 min · South 1st Street

Continue on US 84; I 20 Bus

2.5 mi · 2 min · West Highway 80

Keep slight left at fork onto US 84

0.4 mi · 45 sec · US 84

Toward I 20 West: El Paso

Keep slight left at fork onto US 84

9.5 mi · 9 min · US 84

Toward I 20 West: El Paso

Take the exit

196 ft · 6 sec

Exit 269 Toward FM 126

Turn straight onto West Interstate 20

0.2 mi · 35 sec · West Interstate 20

Turn left onto FM 126

0.5 mi · 56 sec · Kent Street

At end of road, turn right onto I 20 Bus; FM 126

53 ft · 1 sec · North 1st Street

Arrive at destination

I 20 Bus; FM 126

Trip Plan

Given the 7h 20m estimated drive time, departing from Houston in the early morning is your best bet to arrive in Merkel before dark. With two planned stops and a route that is mostly surface roads, you'll want to be mindful of traffic signals and local speed limits, which can extend your travel time. The fuel cost is estimated at $57, so ensure you have enough fuel before departing Houston and consider topping off once you're about halfway through the 396.7 miles, especially since you're not on major highways. Since this is a single-day drive, you have flexibility, but keeping a steady pace will be key.

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.

You can normally do this drive in one day.

Plan roughly 2 meaningful breaks for fuel, food, and rest.

The halfway point lands around 198.4 miles from Houston, TX, or about 3h 34m into the drive.

The longest continuous stretch on this route runs about 77.7 miles.

This is a comfortable same-day trip.

Departure

Before you leave

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

First stop

Around 87 miles or 1h 35m in

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

Halfway reset

Around 198.4 miles or 3h 34m in

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

Final approach

Final hour starts around 6h 11m

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

Before You Leave

Open the route before leaving Houston, 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.

Day 1

Settle into the route from Houston, TX

This is one driving day of about 396.7 miles and 7h 20m.

Your first comfortable stop window is around 87 miles from Houston, TX.

This route can stay practical as a one-day drive if traffic stays reasonable.

Plan about 2 real breaks rather than only quick fuel stops.

The longest stretch is on TX 71 for about 77.7 miles.

Where to Stop

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

Mid-route town

Meal stop

Austin, TX

198 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Popular next leg

Austin, TX to Merkel, TX

236.3 mi · 4h 29m

Pacing Suggestions

Montopolis, TX

Fuel and coffee

A short stop after about 87 miles helps settle the day before fatigue starts building.

Jarrell, TX

Meal break

The midpoint is around 198.4 miles from Houston, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

4.1 ★ ★ ★ ★ ☆

Near the start, right off the route

0.2 mi from route ~1 min detour

Houston, Texas

Hours: 10 am–8:30 pm

+17132233474

Visit website

4.4 ★ ★ ★ ★ ☆

Around the midpoint, short detour

Halfway reset 2.4 mi from route ~6 min detour

Austin, Texas

Hours: 10 am–6 pm

+15124343927

Visit website

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

Heads-up: tricky spots

5 of 18

5 decision points cluster between mile 0.6 and 382.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

0.6 mi into trip | ~1m in | I 10; US 90 / Katy Freeway

Merge onto I 10; US 90 / Katy Freeway

Merge point - match speed before joining. Lane positioning matters here

Use the straight / slight right lanes.

74.6 mi into trip | ~1h 22m in | TX 71

Take the exit onto TX 71 toward TX 71 West: La Grange, Austin

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

Toward TX 71 West: La Grange, Austin

75.2 mi into trip | ~1h 22m in | TX 71

Keep slight left at fork onto TX 71

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes.

156.4 mi into trip | ~2h 49m in

Take the exit toward US 183 North, 183 Toll North: Lampasas

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. Toward US 183 North, 183 Toll North: Lampasas

382.3 mi into trip | ~7h 2m in | US 84

Take the exit onto US 84 toward US 84 West, I 20 Business: Sweetwater, South 1st Street

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

Toward US 84 West, I 20 Business: Sweetwater, S...

Fuel & Cost

Regular Gas

$59.55 one way

$119.10 round trip

$3.81/gal 25.4 MPG avg 139 kg CO₂

Fuel Type	$/gal	One Way	Round Trip
midgrade	$4.22	$65.89	$131.79
premium	$4.57	$71.30	$142.59
diesel	$6.28	$98.02	$196.04

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$60

Meals

$25–$50

Total

$85–$110

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

Estimated CO2 emission: 138.8 kg one way. Prices: EIA weekly data, 2026-10-19.

Driving Electric?

About $42 in charging · 1 stop · 67% less CO₂

Vehicle Type	kWh	Stops	DC Fast	Home Charge
Average EV	119	1	$41.65	$19.04
Efficient EV	99.2	1	$34.71	$15.87
EV Truck/SUV	158.7	1	$55.54	$25.39

Gas CO2

139 kg

EV CO2

46 kg (67% less)

Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.

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 21, 2026

Origin

Houston, TX

Late night in Houston on Thursday

Local time

4:24 AM

CDT

Current temp

63°F

Partly Cloudy

NE 5 mph 0% chance Live forecast

Destination

Merkel, TX

Late night in Merkel on Thursday

Local time

4:24 AM

CDT

Current temp

57°F

Mostly Clear

SSE 5 mph 0% chance Live forecast

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.

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

6 degrees cooler at arrival

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

Road read

7h 20m on the road

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

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

What kind of drive is this?

With 0% highway share, this 396.7-mile trip is entirely on surface roads, meaning you'll be navigating local streets and highways for the full duration. The longest stretch without needing to make a turn is not specified, so anticipate frequent intersections and varying speed limits. Expect to encounter more traffic signals and potential slowdowns compared to interstate travel. The drive profile is 'Mostly surface roads,' so prepare for a more grounded, in-town driving experience for much of the 7h 20m.

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

32 navigation steps total — most of the decisions cluster near the start and finish.

Longest single stretch: 77.7 mi on TX 71.

How Hard Is This Drive?

9/10

This is a straightforward highway drive that stays mostly on TX 71 and Katy Freeway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.6 miles in near I 10; US 90 / Katy Freeway.

Driving Effort 9/10

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 18 significant decision points across 396.7 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 0.6 miles (I 10; US 90 / Katy Freeway): Merge point - match speed before joining. Lane positioning matters here; at 74.6 miles (TX 71): Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 75.2 miles (TX 71): Highway fork - watch signs carefully. Lane positioning matters here.

Elevation Profile

Gently rolling terrain

1,970 ft 35 ft

Total Climb

1,935 ft

Total Descent

99 ft

Highest Point

1,970 ft

~340 mi in

Elevation Range

1,935 ft

Towns Mentioned on Route Signs

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

Between Houston, TX and Merkel, TX, road signs point toward Austin and 183 Toll North: Lampasas.

Austin

74.6 mi in | ~1h 22m | via TX 71

183 Toll North: Lampasas

156.4 mi in | ~2h 49m

About the Cities

Starting in Houston, TX

Full guide →

“Space City” · Founded 1836

Houston is a sprawling port city in Southeastern Texas. An oil boom and continuing international immigration has brought explosive growth to the city, and it is now the fifth largest metropolitan area in the United States and the most diverse large city since 2021. While at first glance, the city appears to be a 9-5 central business district surrounded by a sea of suburbs and strip malls, there are many hidden gems to be discovered.

Top landmarks

• Museum of Fine Arts, Houston — art museum in Houston, Texas
• Astrodome — historic place in Houston, Harris County, Texas
• Rothko Chapel — building in Houston, Harris County, Texas

Arriving in Merkel, TX

Full guide →

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

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 7h 20m. Total distance: 396.7 miles.

Family Friendly

Moderate complexity with 2 natural rest stops along the way.

Solo Traveler

7h 20m drive, plan rest stops for pacing.

Frequently Asked Questions

The longest stretch is about 77.7 miles on TX 71. The full list of main roads is in the Roads section above.

Yes — we found about 15 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 Merkel, 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 15 rest areas along the route for bathroom stops.

Not recommended in a single day. At 7.3 hours each way, a round trip means 14.7 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Merkel, 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, and FHWA TMAS for hourly traffic volumes. See our methodology for refresh cadence and limitations.

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Trip from Houston, TX to Merkel, TX

Best Time to Leave

Trip Overview

Main Roads

Traffic on I-10

Turn-by-Turn Driving Directions

Trip Plan

Before You Leave

Where to Stop

Pacing Suggestions

Stops Along Your Drive

Rest Area

Rest Area US-84 US-283

San Saba Picnic Area

Flying J Travel Center

Buc-ee's

Buc-ee's

QuikTrip

Road Ranger

Flying J Travel Center

Service Plaza

Love's Travel Stop

TA

Love's Travel Stop

Colorado County Eastbound Rest Area

Colorado County Westbound Rest Area

Downtown Aquarium

Union Station

Cidercade Houston

Barbara Fish Daniel Nature Play Area and Picnic Pavilion

Katy Heritage Park

Midtown Park

Waugh Drive Bat Colony

Toybrary Austin

Heads-up: tricky spots

Fuel & Cost

Travel Intel

Houston, TX

Merkel, TX

Same local time

6 degrees cooler at arrival

7h 20m on the road

What kind of drive is this?

How Hard Is This Drive?

Elevation Profile

Towns Mentioned on Route Signs

About the Cities

Starting in Houston, TX

Arriving in Merkel, TX

Who Is This Route For?

Frequently Asked Questions

Which road carries most of the drive?

Are there rest areas on this route?

Should I avoid arriving after dark?

Is this a good trip with kids?

Where does this route get tricky?

Can I do this as a round trip in one go?

How this page is built

Explore More

Continue From Merkel, TX

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