How far is San Antonio, TX from Los Fresnos, TX?
The driving distance from San Antonio, TX to Los Fresnos, TX is about 268.5 miles (432.1 km), with a travel time of about 04h 47m by car.
- The straight-line flight distance is about 239.8 miles (386 km).
- For a round trip, plan for roughly 09h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 04h 47m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Nueces County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Antonio and Los Fresnos.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Los Fresnos.
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1
Start on Dolorosa Street
44 m · 5 sec · Dolorosa Street
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2
Continue on West Market Street
1893 ft · 42 sec · West Market Street
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3
Continue on East Market Street
2143 ft · 41 sec · East Market Street
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4
Turn right onto Tower of the Americas Way
957 ft · 21 sec · Tower of the Americas Way
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5
Take the ramp slight left toward I 37 South, US 281 South
1374 ft · 34 sec
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6
Merge slight left onto William J Bordelon Freeway
1.4 mi · 2 min · William J Bordelon Freeway
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7
Continue on Lucian Adams Freeway
125.1 mi · 2 hr 7 min · Lucian Adams Freeway
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8
Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville
31.3 mi · 34 min
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9
Keep slight left to continue on U.S. Highway 77
61.3 mi · 1 hr 9 min · U.S. Highway 77
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10
Keep slight left to continue on U.S. Highway 77
41.3 mi · 44 min · U.S. Highway 77
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11
Take the exit slight right toward TX 100, FM 1421: South Padre Island
1645 ft · 39 sec
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12
Turn left onto State Highway 100
1.3 mi · 2 min · State Highway 100
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13
Continue on Texas State Highway 100
4.2 mi · 5 min · Texas State Highway 100
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14
Continue on West Ocean Boulevard
1 mi · 2 min · West Ocean Boulevard
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15
Arrive at your destination
0 m · 1 sec · West Ocean Boulevard
Car Route Details
A richer read on the saved driving route between San Antonio and Los Fresnos.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Lucian Adams Freeway
Continue on Lucian Adams Freeway
125 mi · 02h 07m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving San Antonio and Mostly Sunny near Los Fresnos.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Los Fresnos?
The road trip is about 268.5 miles (432.1 km) and usually takes 04h 47m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Robstown is a useful midpoint, sitting about 134.5 miles from San Antonio and 134 miles from Los Fresnos.
How much longer is the road route than the straight-line distance?
The direct path is about 239.8 miles (386 km), while the road route adds roughly 28.7 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:26 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.79 one way or $71.57 round trip. Estimated CO2 is about 84.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Antonio and Mostly Sunny near Los Fresnos.
Flight Path Map
This map shows the direct air route between San Antonio and Los Fresnos. Straight-line distance: 239.83 mi (385.97 km).
#1 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area.
| Population | 1,567,118 |
| Coordinates | 29.4241200, -98.4936300 |
| Altitude | 198 |
| Country | United States |
#2 Los Fresnos
City in Cameron County, Texas, United States
| Population | 7,826 |
| Coordinates | 26.0717400, -97.4763700 |
| Altitude | 7 |
| Country | United States |
End: Los Fresnos (-97.47637, 26.07174)
Estimated Travel Time
Distance: 432 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 56m |
| 40 mph (64.37 km/h) | 06h 42m |
| 50 mph (80.47 km/h) | 05h 22m |
| 60 mph (96.56 km/h) | 04h 28m |
| 70 mph (112.65 km/h) | 03h 50m |
| 80 mph (129 km/h) | 03h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $35.79 | $71.57 |
| Mid-grade | $4.25 | $40.27 | $80.53 |
| Premium | $4.59 | $43.48 | $86.95 |
| Diesel | $3.99 | $37.81 | $75.63 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Texas · May 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.