How far is San Augustine, TX from San Antonio, TX?
The driving distance from San Augustine, TX to San Antonio, TX is about 341.7 miles (549.9 km), with a travel time of about 05h 41m by car.
- The straight-line flight distance is about 299 miles (481.2 km).
- For a round trip, plan for roughly 11h 23m 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 05h 41m.
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.
Town in Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between San Augustine and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Augustine and San Antonio.
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1
Start on Columbia Street
88 m · 14 sec · Columbia Street
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2
Turn left onto South Liberty Street
114 m · 13 sec · South Liberty Street
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3
Turn right onto East Main Street
1530 ft · 33 sec · East Main Street
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4
Turn left onto South Broadway Street
12 mi · 20 min · South Broadway Street
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5
Continue straight
29.7 mi · 32 min
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6
Take the exit right
32 m · 3 sec
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7
Turn straight onto North Medford Drive
77 m · 7 sec · North Medford Drive
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8
Take the ramp straight
856 ft · 21 sec
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9
Merge slight left
1.4 km · 1 min
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10
Keep slight left to continue on US 69 North, Loop 287 West: Tyler
2.5 mi · 3 min
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11
Take the exit slight right toward Loop 287 South, TX 103 West, FM 2680, US 69 Business: Kurth Drive
1.3 km · 2 min
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12
Turn left onto John Redditt Drive
1.1 km · 55 sec · John Redditt Drive
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13
Take the exit slight right
11.7 mi · 13 min
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14
Continue straight
31.3 mi · 34 min
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15
Turn right onto 5th Street
39 m · 2 sec · 5th Street
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16
Turn left onto East Houston Avenue
60 m · 6 sec · East Houston Avenue
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17
Turn left onto South 4th Street
88 m · 9 sec · South 4th Street
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18
Turn right onto East Goliad Avenue
1.6 mi · 3 min · East Goliad Avenue
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19
Turn left
145.2 mi · 2 hr 45 min
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20
Turn left onto State Highway 95
1748 ft · 30 sec · State Highway 95
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21
Turn right onto State Highway 71 East
125 m · 11 sec · State Highway 71 East
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22
Take the ramp slight left toward TX 21 West, TX 71 West
2021 ft · 49 sec
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23
Merge slight left onto State Highway 71 East
2.2 mi · 3 min · State Highway 71 East
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24
Continue straight
1.2 km · 50 sec
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25
Continue straight
2.8 mi · 3 min
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26
Take the exit slight right toward TX 21 West: San Marcos
1681 ft · 52 sec
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27
Turn left onto West State Highway 21
17.8 mi · 21 min · West State Highway 21
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28
Turn left onto US 183, Toll 130 South
1833 ft · 1 min
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29
Turn straight
2815 ft · 37 sec
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30
Take the ramp slight left toward TX 130 Toll South
1635 ft · 40 sec
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31
Merge slight left onto Pickle Parkway
34 mi · 30 min · Pickle Parkway
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32
Keep slight right to continue on I 10 West: San Antonio
3262 ft · 1 min
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33
Merge slight left
11.1 mi · 11 min
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34
Continue straight
9.4 mi · 9 min
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35
Keep slight left
12 mi · 13 min
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36
Keep slight left to continue on 90th Infantry Division Highway
1.2 km · 52 sec · 90th Infantry Division Highway
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37
Continue on Jose Lopez Freeway
1.6 mi · 2 min · Jose Lopez Freeway
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38
Take the exit slight right toward Commerce Street, Houston Street
790 ft · 19 sec
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39
Turn straight onto Interstate 10 East
1830 ft · 39 sec · Interstate 10 East
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40
Turn right onto East Houston Street
963 ft · 20 sec · East Houston Street
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41
Turn slight left onto East Commerce Street
4.3 mi · 7 min · East Commerce Street
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42
Turn left onto Military Plaza
119 m · 16 sec · Military Plaza
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43
Turn left onto Dolorosa Street
100 m · 8 sec · Dolorosa Street
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44
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between San Augustine and San Antonio.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Longest stretch
Turn left
145 mi · 02h 45m
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 Showers And Thunderstorms leaving San Augustine and Mostly Cloudy near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Augustine to San Antonio?
The road trip is about 341.7 miles (549.9 km) and usually takes 05h 41m 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?
Fairview is a useful midpoint, sitting about 168.8 miles from San Augustine and 172.9 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 299 miles (481.2 km), while the road route adds roughly 42.7 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 5:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.57 one way or $91.15 round trip. Estimated CO2 is about 107.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around San Augustine and Mostly Cloudy near San Antonio.
Stop Ideas Near Fairview
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fairview.
Bryan, TX
Prairie View, TX
Taylor
Temple
Flight Path Map
This map shows the direct air route between San Augustine and San Antonio. Straight-line distance: 299.01 mi (481.21 km).
#1 San Augustine
Town of the United States
| Population | 1,865 |
| Coordinates | 31.5299000, -94.1060300 |
| Altitude | 113 |
| Country | United States |
#2 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 |
End: Dolorosa Street (-98.493645, 29.424163)
Estimated Travel Time
Distance: 550 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 23m |
| 40 mph (64.37 km/h) | 08h 32m |
| 50 mph (80.47 km/h) | 06h 50m |
| 60 mph (96.56 km/h) | 05h 41m |
| 70 mph (112.65 km/h) | 04h 52m |
| 80 mph (129 km/h) | 04h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $45.57 | $91.15 |
| Mid-grade | $4.25 | $51.28 | $102.56 |
| Premium | $4.59 | $55.37 | $110.73 |
| Diesel | $3.99 | $48.16 | $96.31 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.