How far is San Antonio, TX from Sebastian, TX?
The driving distance from San Antonio, TX to Sebastian, TX is about 239 miles (384.7 km), with a travel time of about 04h 14m by car.
- The straight-line flight distance is about 217.2 miles (349.5 km).
- For a round trip, plan for roughly 08h 28m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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 14m.
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 San Patricio County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Rain Showers
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Antonio and Sebastian.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Sebastian.
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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
17.9 mi · 19 min · U.S. Highway 77
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11
Take the exit slight right toward Spur 413 West, FM 2629 East
1162 ft · 28 sec
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12
Turn straight onto Interstate 69E Frontage Road
1109 ft · 24 sec · Interstate 69E Frontage Road
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13
Turn right onto East Main Street
1847 ft · 39 sec · East Main Street
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14
Turn right
16 m · 4 sec
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15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Antonio and Sebastian.
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 Cloudy then Chance Rain Showers leaving San Antonio and Chance Showers And Thunderstorms near Sebastian.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Sebastian?
The road trip is about 239 miles (384.7 km) and usually takes 04h 14m 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?
Odem is a useful midpoint, sitting about 119.8 miles from San Antonio and 119.2 miles from Sebastian.
How much longer is the road route than the straight-line distance?
The direct path is about 217.2 miles (349.5 km), while the road route adds roughly 21.8 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 CST. If you want a more comfortable same-day return, try to leave by 8:32 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.22 one way or $60.45 round trip. Estimated CO2 is about 75 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Rain Showers around San Antonio and Chance Showers And Thunderstorms near Sebastian.
Flight Path Map
This map shows the direct air route between San Antonio and Sebastian. Straight-line distance: 217.18 mi (349.52 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 Sebastian
Sebastian is a place in Texas, United States.
| Population | 0 |
| Coordinates | 26.3428500, -97.7902700 |
| Altitude | 12 |
| Country | United States |
End: Sebastian (-97.79027, 26.34285)
Estimated Travel Time
Distance: 385 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 57m |
| 40 mph (64.37 km/h) | 05h 58m |
| 50 mph (80.47 km/h) | 04h 46m |
| 60 mph (96.56 km/h) | 03h 59m |
| 70 mph (112.65 km/h) | 03h 24m |
| 80 mph (129 km/h) | 02h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.58 | $30.22 | $60.45 |
| Mid-grade | $4.09 | $34.55 | $69.11 |
| Premium | $4.47 | $37.74 | $75.49 |
| Diesel | $5.68 | $47.96 | $95.91 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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