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Trip from San Antonio, TX to Sebastian, TX

Last recalculated Apr 17, 2026

Drive Time

4h 14m

Distance

239 mi

385 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$36

one way

EV Charging

Unknown

Best Time to Leave

Save up to 40 min
4 AM
4h 1m ★
6 AM
4h 14m
8 AM
4h 41m
10 AM
4h 24m
12 PM
4h 21m
3 PM
4h 25m
5 PM
4h 39m
8 PM
4h 7m

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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Downtown San Antonio, TX, TX

San Antonio, TX

Wikimedia Commons

Downtown Sebastian, TX, TX

Sebastian, TX

Thomas balabaud

Trip Overview

The drive from San Antonio, TX to Sebastian, TX covers 239 miles and takes about 4h 14m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Lucian Adams Freeway, U.S. Highway 77, I 69E for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 125.1 miles on Lucian Adams Freeway. At current regular gas prices, budget about $36.11 one way before food or hotel costs.

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

1 planned break

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

Midpoint

119.5 miles from San Antonio, TX

A natural place for your longest stop of the day , about 2h 2m into the drive .

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 4h 14m. Total distance: 239 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

4h 14m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (99%). Some complex stretches to watch for.

Drive Character

This is a 4h 14m highway drive covering 239 miles, with most of the trip on Lucian Adams Freeway and U.S. Highway 77. The longest continuous stretch is about 125.1 miles on Lucian Adams Freeway.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Lucian Adams Freeway is the longest continuous segment at about 125.1 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on Lucian Adams Freeway and U.S. Highway 77. You will hit about 9 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.8 miles in near Tower of the Americas Way.

Driving Effort 5/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 239 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: at 0.8 miles (Tower of the Americas Way): Lane positioning matters here; at 1 miles: Multiple destination signs - pick the right one; at 127.7 miles (I 69E; US 77): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 9 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

5
0.8 mi into trip | ~1m in | Tower of the Americas Way

Turn right onto Tower of the Americas Way

Lane positioning matters here

Use the right lane.
5
1 mi into trip | ~1m in

Take the ramp toward I 37 South, US 281 South

Multiple destination signs - pick the right one

Toward I 37 South, US 281 South
7
127.7 mi into trip | ~2h 10m in | I 69E; US 77

Take the exit onto I 69E; US 77 toward I 69E, US 77: Kingsville, Brownsville

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 I 69E, US 77: Kingsville, Brownsville
6
220.4 mi into trip | ~3h 53m in | I 69E; US 77 / U.S. Highway 77

Keep slight left at fork onto I 69E; US 77 / U.S. Highway 77

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes.
8
238.3 mi into trip | ~4h 12m in

Take the exit toward Spur 413 West, FM 2629 East

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

Use the slight right lane. Exit 38 Toward Spur 413 West, FM 2629 East

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 San Antonio, TX to Sebastian, TX, road signs begin pointing toward Brownsville along the way.

Brownsville

127.7 mi in | ~2h 10m | via I 69E; US 77

Main Roads

Road Distance Duration
Lucian Adams Freeway 125.1 mi 2h 6m
U.S. Highway 77 79.2 mi 1h 28m
I 69E 31.3 mi 33m
William J Bordelon Freeway 1.4 mi 1m
East Market Street 0.4 mi <1m
West Market Street 0.4 mi <1m
East Main Street 0.3 mi <1m
Interstate 69E Frontage Road 0.2 mi <1m
Longest stretch: Lucian Adams Freeway — 125.1 mi, about 2h 6m

Turn-by-Turn Driving Directions

Step-by-step road directions between San Antonio, TX and Sebastian, TX.

1

Start on Dolorosa Street

143 ft · 4 sec · Dolorosa Street
2

Continue on West Market Street

0.4 mi · 42 sec · West Market Street
3

Continue on East Market Street

0.4 mi · 40 sec · East Market Street
4

Turn right onto Tower of the Americas Way

0.2 mi · 21 sec · Tower of the Americas Way
Use the right lane.
5

Take the ramp

0.3 mi · 33 sec
Toward I 37 South, US 281 South
6

Merge onto I 37; US 281

1.4 mi · 1 min · William J Bordelon Freeway
7

Continue on I 37; US 281

125 mi · 2 hr 6 min · Lucian Adams Freeway
Use the straight / slight right lanes.
8

Take the exit onto I 69E; US 77

31 mi · 33 min · I 69E; US 77
Toward I 69E, US 77: Kingsville, Brownsville Use the straight / slight right lanes.
9

Keep slight left at fork onto US 77

61 mi · 1 hr 9 min · U.S. Highway 77
10

Keep slight left at fork onto I 69E; US 77

18 mi · 18 min · U.S. Highway 77
Use the straight / slight right lanes.
11

Take the exit

0.2 mi · 28 sec
Exit 38 Toward Spur 413 West, FM 2629 East Use the slight right lane.
12

Turn straight onto Interstate 69E Frontage Road

0.2 mi · 24 sec · Interstate 69E Frontage Road
13

Turn right onto Spur 413; FM 2629

0.3 mi · 38 sec · East Main Street
14

Turn right

51 ft · 3 sec
15

Arrive at destination

Trip Plan

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 119.5 miles from San Antonio, TX, or about 2h 2m into the drive.
The longest continuous stretch on this route runs about 125.1 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 53 miles or 54m in

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

Halfway reset

Around 119.5 miles or 2h 2m in

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

Final approach

Final hour starts around 3h 26m

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

Before You Leave

+

Open the route before leaving San Antonio, 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.

Day 1

Settle into the route from San Antonio, TX

This is one driving day of about 239 miles and 4h 14m.

Your first comfortable stop window is around 53 miles from San Antonio, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Lucian Adams Freeway for about 125.1 miles.

Where to Stop

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

Halfway Point

Midpoint

About 119.5 mi from San Antonio, TX · 2h 2m into the drive

Israeli settlement in the occupied Golan Heights

Mid-route town

Meal stop

Odem, TX

120 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.

Pacing Suggestions

Pleasanton, TX

Fuel and coffee

A short stop after about 53 miles helps settle the day before fatigue starts building.

Odem, TX

Meal break

The midpoint is around 119.5 miles from San Antonio, TX, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before Lucian Adams Freeway if your tank is already low. That segment runs about 125.1 miles.

Arriving in Sebastian, TX

The final approach into Sebastian, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Sebastian, TX.

After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.

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

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...

2 mi from route ~4 min detour Free near mile 8.2
View on nps.gov
Padre Island National Seashore

Padre Island National Seashore

National Seashore

Protecting sixty-six miles of wild coastline along the Gulf of America, the narrow barrier island is home to one of the last intact coastal prairie habitats in the United States. Along the hypersaline...

27 mi from route ~67 min detour $25 near mile 189.6
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...

30 mi from route ~75 min detour Free near mile 239
View on nps.gov

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

Fuel & Cost

Regular Gas

$36.11 one way

$72.23 round trip

$3.84/gal 25.4 MPG avg 84 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.20 $39.53 $79.06
premium $4.54 $42.67 $85.34
diesel $5.61 $52.77 $105.54

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$36

Meals

$25–$50

Total

$61–$86

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

Estimated CO2 emission: 83.6 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $25 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 71.7 0 $25.10 $11.47
Efficient EV 59.8 0 $20.91 $9.56
EV Truck/SUV 95.6 1 $33.46 $15.30

Gas CO2

84 kg

EV CO2

28 kg (67% less)

Plan for 0 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 Apr 15, 2026

Origin

San Antonio, TX

Night in San Antonio on Thursday

Local time

11:52 PM

CDT

Current temp

77°F

Unavailable

Live forecast

Destination

Sebastian, TX

Night in Sebastian on Thursday

Local time

11:52 PM

CDT

Current temp

69°F

Unavailable

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

8 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

4h 14m on the road

An early start around 7-8 AM gets you there with plenty of daylight left.

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

Frequently Asked Questions

The drive from San Antonio, TX to Sebastian, TX covers 239 miles and takes about 4h 14m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Lucian Adams Freeway, U.S. Highway 77, I 69E. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 119.5 miles from San Antonio, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $36.11 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This drive requires moderate attention. Across 239 miles you will encounter 9 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 0.8 miles (Tower of the Americas Way): Lane positioning matters here; at 1 miles: Multiple destination signs - pick the right one; at 127.7 miles (I 69E; US 77): Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
On the drive from San Antonio, TX to Sebastian, TX, road signs begin pointing toward Brownsville along the way.

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