How far is Austin, TX from Los Fresnos, TX?
The driving distance from Austin, TX to Los Fresnos, TX is about 342.2 miles (550.7 km), with a travel time of about 06h 08m by car.
- The straight-line flight distance is about 290.3 miles (467.2 km).
- For a round trip, plan for roughly 12h 17m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 08m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Austin and Los Fresnos.
Turn-by-Turn Driving Directions
Step-by-step road directions between Austin and Los Fresnos.
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1
Start on East 5th Street
2551 ft · 1 min · East 5th Street
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2
At the end of the road, turn right onto North Interstate 35
1893 ft · 40 sec · North Interstate 35
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3
Take the ramp slight left toward I 35 South
899 ft · 22 sec
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4
Merge slight left onto Purple Heart Trail
46.4 mi · 50 min · Purple Heart Trail
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5
Continue on Interstate Highway 35
1.7 mi · 2 min · Interstate Highway 35
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6
Continue on Purple Heart Trail
11.9 mi · 13 min · Purple Heart Trail
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7
Continue on North Pan Am Expressway
10 mi · 12 min · North Pan Am Expressway
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8
Keep slight right to continue on Connally Loop
11 mi · 12 min · Connally Loop
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9
Take the exit slight right toward I 37, US 281 North: San Antonio, Corpus Christi
1184 ft · 29 sec
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10
Keep slight left to continue on I 37 South: Corpus Christi
2457 ft · 1 min
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11
Merge slight left
118.7 mi · 1 hr 59 min
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12
Take the exit slight right toward I 69E, US 77: Kingsville, Brownsville
31.3 mi · 34 min
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13
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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14
Keep slight left to continue on U.S. Highway 77
41.3 mi · 44 min · U.S. Highway 77
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15
Take the exit slight right toward TX 100, FM 1421: South Padre Island
1645 ft · 39 sec
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16
Turn left onto State Highway 100
1.3 mi · 2 min · State Highway 100
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17
Continue on Texas State Highway 100
4.2 mi · 5 min · Texas State Highway 100
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18
Continue on West Ocean Boulevard
1 mi · 2 min · West Ocean Boulevard
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19
Arrive at your destination
0 m · 1 sec · West Ocean Boulevard
Car Route Details
A richer read on the saved driving route between Austin and Los Fresnos.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 37 South
Merge slight left
119 mi · 01h 59m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Mostly Cloudy leaving Austin and Partly Sunny near Los Fresnos.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Austin to Los Fresnos?
The road trip is about 342.2 miles (550.7 km) and usually takes 06h 08m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Mathis is a useful midpoint, sitting about 171.4 miles from Austin and 170.8 miles from Los Fresnos.
How much longer is the road route than the straight-line distance?
The direct path is about 290.3 miles (467.2 km), while the road route adds roughly 51.9 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.65 one way or $91.30 round trip. Estimated CO2 is about 107.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Austin and Partly Sunny near Los Fresnos.
Flight Path Map
This map shows the direct air route between Austin and Los Fresnos. Straight-line distance: 290.33 mi (467.24 km).
#1 Austin
The eleventh most populous city in the United States and the center of the Austin metropolitan area.
| Population | 995,484 |
| Coordinates | 30.2671500, -97.7430600 |
| Altitude | 149 |
| 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: 551 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 24m |
| 40 mph (64.37 km/h) | 08h 33m |
| 50 mph (80.47 km/h) | 06h 50m |
| 60 mph (96.56 km/h) | 05h 42m |
| 70 mph (112.65 km/h) | 04h 53m |
| 80 mph (129 km/h) | 04h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $45.65 | $91.30 |
| Mid-grade | $4.25 | $51.36 | $102.73 |
| Premium | $4.59 | $55.46 | $110.92 |
| Diesel | $3.99 | $48.24 | $96.47 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.