How far is San Antonio, TX from Buffalo, TX?
The driving distance from San Antonio, TX to Buffalo, TX is about 195.6 miles (314.8 km), with a travel time of about 03h 59m by car.
- The straight-line flight distance is about 169 miles (271.9 km).
- For a round trip, plan for roughly 07h 59m 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 03h 59m.
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 Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between San Antonio and Buffalo.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Buffalo.
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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
31.7 mi · 32 min
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12
Take the exit slight right toward US 87 North: Fredericksburg, San Angelo
1302 ft · 28 sec
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13
Turn right onto US Highway 87
20.1 mi · 23 min · US Highway 87
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14
Continue on South Washington Street
1.1 mi · 2 min · South Washington Street
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15
Turn left onto East Main Street
1.5 mi · 4 min · East Main Street
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16
Take the exit slight right toward North US Highway 87
538 ft · 10 sec · North US Highway 87
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17
Merge slight left onto North US Highway 87
39.7 mi · 44 min · North US Highway 87
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18
Continue on San Antonio Street
1.1 mi · 1 min · San Antonio Street
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19
Turn left onto Fort McKavitt Street
1.4 km · 1 min · Fort McKavitt Street
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20
Continue on North US Highway 87
13.2 mi · 15 min · North US Highway 87
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21
Continue on United States Highway 87; United States Highway 377
14.6 mi · 17 min · United States Highway 87; United States Highway 377
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22
At the end of the road, turn left onto Commerce Street
1347 ft · 19 sec · Commerce Street
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23
Turn straight onto United States Highway 87
3.3 mi · 4 min · United States Highway 87
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24
Take the exit slight right
715 ft · 20 sec
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25
Merge slight left
40.5 mi · 46 min
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26
Turn right onto Wallis Avenue
5.5 mi · 6 min · Wallis Avenue
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27
Turn left onto County Road 102
1.1 mi · 4 min · County Road 102
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28
Turn left
87 m · 13 sec
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29
Turn slight right
128 m · 21 sec
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30
Turn left
628 ft · 28 sec
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31
Turn right
1.4 km · 3 min
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32
Turn right
36 m · 6 sec
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33
Turn left onto County Road 102
1.1 mi · 4 min · County Road 102
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34
Turn right onto County Road 108
1.1 mi · 4 min · County Road 108
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35
Continue on County Road 108
1.3 mi · 5 min · County Road 108
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36
Arrive at your destination
0 m · 1 sec · County Road 108
Car Route Details
A richer read on the saved driving route between San Antonio and Buffalo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
United States Highway 87
Merge slight left
40.5 mi · 00h 46m
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.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely leaving San Antonio and Chance Showers And Thunderstorms near Buffalo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Buffalo?
The road trip is about 195.6 miles (314.8 km) and usually takes 03h 59m 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?
Mason is a useful midpoint, sitting about 98 miles from San Antonio and 97.6 miles from Buffalo.
How much longer is the road route than the straight-line distance?
The direct path is about 169 miles (271.9 km), while the road route adds roughly 26.6 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 9:00 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.08 one way or $52.15 round trip. Estimated CO2 is about 61.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms Likely around San Antonio and Chance Showers And Thunderstorms near Buffalo.
Flight Path Map
This map shows the direct air route between San Antonio and Buffalo. Straight-line distance: 168.94 mi (271.88 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 Buffalo
City in Leon County, Texas
| Population | 1,910 |
| Coordinates | 31.7907000, -99.2078300 |
| Altitude | 458 |
| Country | United States |
End: Buffalo (-99.20783, 31.7907)
Estimated Travel Time
Distance: 315 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 31m |
| 40 mph (64.37 km/h) | 04h 53m |
| 50 mph (80.47 km/h) | 03h 54m |
| 60 mph (96.56 km/h) | 03h 15m |
| 70 mph (112.65 km/h) | 02h 47m |
| 80 mph (129 km/h) | 02h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $26.08 | $52.15 |
| Mid-grade | $4.25 | $29.34 | $58.68 |
| Premium | $4.59 | $31.68 | $63.36 |
| Diesel | $3.99 | $27.55 | $55.10 |
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 · Apr 20, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.