How far is San Antonio, TX from Fort Davis, TX?
The driving distance from San Antonio, TX to Fort Davis, TX is about 401.3 miles (645.9 km), with a travel time of about 06h 40m by car.
- The straight-line flight distance is about 333 miles (535.9 km).
- For a round trip, plan for roughly 13h 21m 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 40m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Antonio and Fort Davis.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Fort Davis.
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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
1042 ft · 28 sec · West Market Street
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3
Turn left onto Navarro Street
1.3 km · 2 min · Navarro Street
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4
Enter the roundabout and take exit 2 toward San Pedro Avenue
26 m · 2 sec · San Pedro Avenue
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5
Exit the roundabout onto San Pedro Avenue
2891 ft · 1 min · San Pedro Avenue
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6
Turn left onto West Cypress Street
604 ft · 10 sec · West Cypress Street
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7
Turn straight onto East Fredericksburg Road
1.2 mi · 2 min · East Fredericksburg Road
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8
Turn right onto Interstate 10 West
657 ft · 13 sec · Interstate 10 West
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9
Take the ramp slight left toward I 10 West, US 87 North
553 ft · 14 sec
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10
Merge slight left onto McDermott Freeway
12.8 mi · 15 min · McDermott Freeway
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11
Keep slight right
345.4 mi · 5 hr 28 min
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12
Take the exit slight right toward I 10 Business Loop, SH 17: Balmorhea, Fort Davis
1702 ft · 44 sec
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13
Turn left
1023 ft · 18 sec
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14
Turn right
7.1 mi · 11 min
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15
Turn left
30.9 mi · 38 min
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16
At the end of the road, turn left onto State Street
1.3 mi · 2 min · State Street
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17
Arrive at your destination
0 m · 1 sec · State Street
Car Route Details
A richer read on the saved driving route between San Antonio and Fort Davis.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
McDermott Freeway
Keep slight right
345 mi · 05h 28m
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 Sunny leaving San Antonio and Sunny then Slight Chance Showers And Thunderstorms near Fort Davis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Fort Davis?
The road trip is about 401.3 miles (645.9 km) and usually takes 06h 40m 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?
Ozona is a useful midpoint, sitting about 200.5 miles from San Antonio and 200.8 miles from Fort Davis.
How much longer is the road route than the straight-line distance?
The direct path is about 333 miles (535.9 km), while the road route adds roughly 68.3 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 $53.51 one way or $107.02 round trip. Estimated CO2 is about 125.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Antonio and Sunny then Slight Chance Showers And Thunderstorms near Fort Davis.
Flight Path Map
This map shows the direct air route between San Antonio and Fort Davis. Straight-line distance: 332.97 mi (535.87 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 Fort Davis
Census-designated place (CDP) in Jeff Davis County, Texas, United States
| Population | 1,201 |
| Coordinates | 30.5882100, -103.8946300 |
| Altitude | 1491 |
| Country | United States |
End: Fort Davis (-103.89463, 30.58821)
Estimated Travel Time
Distance: 646 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 22m |
| 40 mph (64.37 km/h) | 10h 02m |
| 50 mph (80.47 km/h) | 08h 01m |
| 60 mph (96.56 km/h) | 06h 41m |
| 70 mph (112.65 km/h) | 05h 44m |
| 80 mph (129 km/h) | 05h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $53.51 | $107.02 |
| Mid-grade | $4.25 | $60.21 | $120.42 |
| Premium | $4.59 | $65.01 | $130.02 |
| Diesel | $3.99 | $56.54 | $113.08 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.