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Trip from San Antonio, TX to San Benito, TX

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Jul 20, 2026 · Editorial standards

Drive Time

4h 34m

Distance

257.7 mi

415 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$35

one way

EV Charging

Unknown

Best Time to Leave

Save up to 40 min
4 AM
4h 21m ★
6 AM
4h 35m
8 AM
5h 1m
10 AM
4h 44m
12 PM
4h 41m
3 PM
4h 45m
5 PM
5h 0m
8 PM
4h 27m

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

Downtown San Antonio, TX, TX

San Antonio, TX

Wikimedia Commons

city in Cameron County, Texas, United States

San Benito, TX

Wikimedia Commons

Trip Overview

San Antonio to San Benito is 257.7 miles and takes about 4h 34m via Lucian Adams Freeway and U.S. Highway 77, with a fuel budget near $40 and enough daylight to finish in a day. This drive stays within Texas, traversing the Great Plains region for its entirety. Given that 99% of this route is highway driving, expect a fairly direct path with minimal deviations. It’s a straightforward trip that’s well-suited for a single day, allowing you to reach your destination without needing an overnight stop.

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

128.9 miles from San Antonio, TX

A natural place for your longest stop of the day , about 2h 11m into the drive .

Main Roads

Road Distance Duration
Lucian Adams Freeway 125.1 mi 2h 6m
U.S. Highway 77 97.7 mi 1h 48m
I 69E 31.3 mi 33m
William J Bordelon Freeway 1.4 mi 1m
South Sam Houston Boulevard 0.6 mi 1m
East Market Street 0.4 mi <1m
West Market Street 0.4 mi <1m
Tower of the Americas Way 0.2 mi <1m
Longest stretch: Lucian Adams Freeway — 125.1 mi, about 2h 6m

Traffic on I-37

Hour-of-day weekday pattern from 36 FHWA count stations on your route.

Peak

4 PM

~2,281 veh/hr typical · worst 2,827

Quietest

2 AM

~200 veh/hr

Peak-to-quiet ratio

11.4×

busier at peak than in the quiet hours

12a 6a noon 6p 11p

Averaged across 52 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 San Antonio, TX and San Benito, 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

36 mi · 38 min · U.S. Highway 77
Use the straight / slight right lanes.
11

Take the exit

0.2 mi · 30 sec
Exit 19B Toward TX 345, FM 2520: Sam Houston Boulevard, McCulloch Street Use the slight right lane.
12

Turn straight onto West Expressway 83

0.2 mi · 24 sec · West Expressway 83
13

Turn left onto TX 345

0.6 mi · 1 min · South Sam Houston Boulevard
14

Turn right onto East Stenger Street

14 ft · 0 sec · East Stenger Street
15

Arrive at destination

East Stenger Street

Trip Plan

For this 4-and-a-half-hour drive, leaving San Antonio in the morning will give you plenty of time to arrive in San Benito with daylight to spare. With only one recommended stop and a fuel cost around $40, this trip is easy to plan. Keep an eye on your fuel gauge, especially during the 125.1-mile stretch on Lucian Adams Freeway, as services might be less frequent. Since it’s a manageable distance, you have the flexibility to depart when you’re ready and still comfortably reach your destination the same day.

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 128.9 miles from San Antonio, TX, or about 2h 11m 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 57 miles or 58m in

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

Halfway reset

Around 128.9 miles or 2h 11m 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 43m

Traffic, exits, and arrival timing usually matter more near San Benito, 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 257.7 miles and 4h 34m.

Your first comfortable stop window is around 57 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.

Israeli settlement in the occupied Golan Heights

Mid-route town

Meal stop

Odem, TX

129 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

George West, TX

Fuel and coffee

A short stop after about 57 miles helps settle the day before fatigue starts building.

Odem, TX

Meal break

The midpoint is around 128.9 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.

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.

Love's Travel Stop

0.1 mi from route

Picnic Area

0.1 mi from route

Kenedy County Rest Area

0.1 mi from route

Flying J Travel Center

0.1 mi from route

Texas Travel Information Center at Harlingen

0.1 mi from route

San Patricio County Southbound Rest Area

0.1 mi from route

San Patricio County Northbound 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

Parking Area

0.1 mi from route

Picnic Area

0.1 mi from route

Picnic Area

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Love's Travel Stop

0.1 mi from route

Road Ranger

0.1 mi from route

Service Plaza

0.1 mi from route

QuikTrip

0.1 mi from route

Pilot Travel Center

0.2 mi from route

Spanish Governor's Palace

4.5 ★ ★ ★ ★ ★

Near the start, right off the route

0.1 mi from route

San Antonio, Texas

Hours: 9 am–5 pm

+12102077527

Visit website

GO RIO San Antonio River Cruises

4.6 ★ ★ ★ ★ ★

Near the start, right off the route

0.4 mi from route ~1 min detour

San Antonio, Texas

Hours: 10 am–10 pm

+12102274746

Visit website

San Antonio | The Saga

4.5 ★ ★ ★ ★ ★

Near the start, right off the route

0 mi from route

San Antonio, Texas

Hours: 9–9:30 pm

+12102259800

Visit website

Hemisfair

4.7 ★ ★ ★ ★ ★

Near the start, right off the route

0.5 mi from route ~1 min detour

San Antonio, Texas

Hours: 5 am–12 pm

+12107094750

Visit website

San Antonio Fire Museum

4.9 ★ ★ ★ ★ ★

Near the start, right off the route

0.6 mi from route ~1 min detour

San Antonio, Texas

Hours: 10 am–3:30 pm

+12103907236

Visit website

The Amazing Mirror Maze

4.4 ★ ★ ★ ★ ☆

Near the start, right off the route

0.4 mi from route ~1 min detour

San Antonio, Texas

Hours: 10:30 am–8 pm

+12102242288

Visit website

SEA LIFE San Antonio

4.1 ★ ★ ★ ★ ☆

Near the start, right off the route

0.4 mi from route ~1 min detour

San Antonio, Texas

Hours: 10 am–5 pm

+12106101160

Visit website

San Antonio River Lock & Dam

4.7 ★ ★ ★ ★ ★

Near the start, right off the route

0.8 mi from route ~2 min detour

San Antonio, Texas

Hours: 9 am–10 pm

+12102271373

Visit website

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

Heads-up: tricky spots

5 of 9

5 decision points cluster between mile 0.8 and 256.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

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
256.8 mi into trip | ~4h 32m in

Take the exit toward TX 345, FM 2520: Sam Houston Boulevard, McCulloch Street

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 19B Toward TX 345, FM 2520: Sam Houston Boulevard,...

Fuel & Cost

Regular Gas

$35.30 one way

$70.59 round trip

$3.48/gal 25.4 MPG avg 90 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $3.89 $39.43 $78.85
premium $4.23 $42.87 $85.73
diesel $4.80 $48.66 $97.32

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$35

Meals

$25–$50

Total

$60–$85

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

Estimated CO2 emission: 90.2 kg one way. Prices: EIA weekly data, 2026-07-13.

Driving Electric?

About $27 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 77.3 0 $27.06 $12.37
Efficient EV 64.4 0 $22.55 $10.31
EV Truck/SUV 103.1 1 $36.08 $16.49

Gas CO2

90 kg

EV CO2

30 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 Jul 18, 2026

Origin

San Antonio, TX

Late night in San Antonio on Monday

Local time

4:53 AM

CDT

Current temp

77°F

Mostly Cloudy

SSE 10 mph 0% chance Live forecast

Flood Warning

Flood Warning issued July 18 at 3:19AM CDT until July 22 at 7:46AM CDT by NWS Corpus Christi TX

Flood Warning

Flood Warning issued July 18 at 3:19AM CDT until July 21 at 3:48AM CDT by NWS Corpus Christi TX

Destination

San Benito, TX

Late night in San Benito on Monday

Local time

4:53 AM

CDT

Current temp

78°F

Mostly Clear

SE 9 mph 1% chance Live forecast

Flood Warning

Flood Warning issued July 18 at 3:19AM CDT until July 22 at 7:46AM CDT by NWS Corpus Christi TX

Flood Warning

Flood Warning issued July 18 at 3:19AM CDT until July 21 at 3:48AM CDT by NWS Corpus Christi TX

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

1 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

4h 34m 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.

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...

1 mi from route ~3 min detour Free near mile 8.9
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...

13 mi from route ~32 min detour Free near mile 257.7
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 186.6
View on nps.gov

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

What kind of drive is this?

You'll spend almost all of your time on highways, with 99% of the 257.7 miles on high-speed roads. The longest continuous stretch of highway driving is 125.1 miles on Lucian Adams Freeway. After that, you transition to U.S. Highway 77 and I 69E. Expect a consistent cruising experience with few opportunities to pull off for services until you reach the San Benito area.

99% highway — fuel and pacing are the main things to plan.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 125.1 mi on Lucian Adams Freeway.

How Hard Is This Drive?

5/10

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 257.7 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.

Elevation Profile

Mostly flat terrain

649 ft 24 ft

Total Climb

23 ft

Total Descent

635 ft

Highest Point

649 ft

Elevation Range

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

Brownsville

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

Detours Along the Way

Tagged by where each one fits in your drive — first break, midpoint, final stretch.

Starbucks

Cafe

Near the start, right off the route

0.4 mi from route ~1 min detour

San Antonio, TX

Cuisine: coffee_shop

Visit website

Commonwealth Coffeehouse

Cafe

Near the start, right off the route

0.3 mi from route ~1 min detour

Cuisine: coffee_shop

Estate Coffee

Cafe

Near the start, short detour

1 mi from route ~3 min detour

San Antonio

Cuisine: coffee_shop

Hours: Mo-Fr 07:00-18:00; Sa 08:00-16:00; Su 09...

Visit website

El Puente

Cafe

Near the start, right off the route

0.5 mi from route ~1 min detour

Madhatter's Tea House and Cafe

Cafe

Near the start, right off the route

0.7 mi from route ~2 min detour

Commonwealth Coffeehouse & Bakery

Cafe

Near the start, short detour

1.2 mi from route ~3 min detour

San Antonio, TX

Drink

Restaurant

Near the start, right off the route

0.2 mi from route ~1 min detour

San Antonio, TX

Hours: Mo-Su 14:00-02:00

Visit website

The County Line

Restaurant

Near the start, right off the route

0.3 mi from route ~1 min detour

San Antonio, TX

Cuisine: barbecue

Visit website

Bubba Gump Shrimp Co

Restaurant

Near the start, right off the route

0.3 mi from route ~1 min detour

San Antonio, TX

Cuisine: seafood

Hours: Su-Th 11:00-22:00; Fr-Sa 11:00-23:00

Visit website

Barriba Cantina

Restaurant

Near the start, right off the route

0.3 mi from route ~1 min detour

San Antonio, TX

Cuisine: mexican

Visit website

Hard Rock Cafe

Restaurant

Near the start, right off the route

0.3 mi from route ~1 min detour

Cuisine: american

Hours: Mo-Th, Su 08:00-23:00; Fr, Sa 08:00-00:0...

Visit website

Whataburger

Fast_food

Near the start, right off the route

0.3 mi from route ~1 min detour

San Antonio, TX

Cuisine: burger

Hours: 24/7

Visit website

River boat boarding

Attraction

Near the start, right off the route

0.2 mi from route

River boat boarding

Attraction

Near the start, right off the route

0.3 mi from route ~1 min detour

River boat boarding

Attraction

Near the start, right off the route

0.5 mi from route ~1 min detour

boat ride boarding

Attraction

Near the start, right off the route

0.8 mi from route ~2 min detour

River boat boarding

Attraction

Near the start, short detour

1.5 mi from route ~4 min detour

Buckhorn Saloon and Museum

Museum

Near the start, right off the route

0.3 mi from route ~1 min detour
Visit website

Emma Tenayuca

Monument

Near the start, right off the route

0.3 mi from route ~1 min detour
Visit website

San Antonio Art League Museum

Museum

Near the start, right off the route

0.5 mi from route ~1 min detour

TX

Visit website

San Benito

Memorial

Near the end, right off the route

Home stretch 0.1 mi from route

Riviera Cemetery

Memorial

Later in the drive, right off the route

Final third 0.1 mi from route

First Methodist Church of San Benito

Memorial

Near the end, right off the route

Home stretch 0.1 mi from route

Beauregard House B&B

Guest_house

Near the start, right off the route

0.6 mi from route ~2 min detour

Fiesta Bed and Breakfast

Guest_house

Near the start, short detour

1.5 mi from route ~4 min detour

Ayers Inn

Guest_house

Near the start, short detour

2 mi from route ~5 min detour

Points of interest from OpenStreetMap contributors. Listings may not reflect current hours or availability.

About the Cities

Starting in San Antonio, TX

Full guide →

Founded 1718

San Antonio is the second largest city in the state of Texas and the 7th largest in the United States. It's the 24th largest metropolitan area in the country. Visited by more than 31 million annual visitors, San Antonio is a beautiful city at the axis of three different geological terrains: Hill Country, South Texas Plains and Prairie and Lakes. There's a lot to do in this city: fine art museums, historical missions and plenty of amusement parks in addition to great dining and lots of drinking. The culture and people are vibrant and interesting. San Antonio's downtown is one of the most lively in the nation.

Top landmarks

  • Alamo Mission in San Antonio — historic place in San Antonio, Bexar County, Texas
  • San Antonio Missions National Historical Park — historic district in San Antonio, Bexar County, Texas
  • Fort Sam Houston — military base in San Antonio, Texas

Arriving in San Benito, 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 4h 34m. Total distance: 257.7 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

4h 34m drive, comfortable solo distance.

First-Time Driver

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

Frequently Asked Questions

The longest stretch is about 125.1 miles on Lucian Adams Freeway. The full list of main roads is in the Roads section above.

Yes — we found about 18 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.

Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.

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.

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

Possible but tiring. At 4.6 hours each way, an in-and-out day trip would put you behind the wheel for 9.2 hours — manageable with a long break at San Benito, TX, but most travelers stay overnight.

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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