How far is San Antonio, TX from Sweetwater, TX?
The driving distance from San Antonio, TX to Sweetwater, TX is about 263.6 miles (424.2 km), with a travel time of about 04h 41m by car.
- The straight-line flight distance is about 239 miles (384.7 km).
- For a round trip, plan for roughly 09h 22m 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 04h 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.
City in Menard County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between San Antonio and Sweetwater.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Sweetwater.
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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
98.7 mi · 1 hr 37 min
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12
Take the exit slight right toward US 83 North, US 377: Junction, Menard
1665 ft · 44 sec
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13
Turn right onto North Main Street
29.3 mi · 31 min · North Main Street
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14
Continue on Frisco Avenue
41.9 mi · 45 min · Frisco Avenue
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15
Continue on Roberts Avenue
16.5 mi · 18 min · Roberts Avenue
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16
Turn right onto Hutchings Avenue
118 m · 18 sec · Hutchings Avenue
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17
Turn left onto North Broadway Street
6.3 mi · 7 min · North Broadway Street
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18
Turn right
12.3 mi · 13 min
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19
Turn left onto State Highway 153
29.5 mi · 33 min · State Highway 153
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20
Keep slight right to continue on State Highway 153
6 m · 1 sec · State Highway 153
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21
Turn right onto State Highway 70
10.4 mi · 11 min · State Highway 70
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22
Continue on Lamar Street
2.3 mi · 4 min · Lamar Street
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23
Arrive at your destination
0 m · 1 sec · Lamar Street
Car Route Details
A richer read on the saved driving route between San Antonio and Sweetwater.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
McDermott Freeway
Keep slight right
98.7 mi · 01h 37m
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 Sunny leaving San Antonio and Mostly Sunny near Sweetwater.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Sweetwater?
The road trip is about 263.6 miles (424.2 km) and usually takes 04h 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?
Menard is a useful midpoint, sitting about 132 miles from San Antonio and 131.6 miles from Sweetwater.
How much longer is the road route than the straight-line distance?
The direct path is about 239 miles (384.7 km), while the road route adds roughly 24.6 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 7:38 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.14 one way or $70.29 round trip. Estimated CO2 is about 82.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around San Antonio and Mostly Sunny near Sweetwater.
Stop Ideas Near Menard
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Menard City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Menard.
Flight Path Map
This map shows the direct air route between San Antonio and Sweetwater. Straight-line distance: 239.06 mi (384.73 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 Sweetwater
City in Texas, United States
| Population | 10,535 |
| Coordinates | 32.4709500, -100.4059400 |
| Altitude | 661 |
| Country | United States |
End: Sweetwater (-100.40594, 32.47095)
Estimated Travel Time
Distance: 424 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 46m |
| 40 mph (64.37 km/h) | 06h 35m |
| 50 mph (80.47 km/h) | 05h 16m |
| 60 mph (96.56 km/h) | 04h 23m |
| 70 mph (112.65 km/h) | 03h 45m |
| 80 mph (129 km/h) | 03h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $35.14 | $70.29 |
| Mid-grade | $4.25 | $39.54 | $79.09 |
| Premium | $4.59 | $42.70 | $85.39 |
| Diesel | $3.99 | $37.13 | $74.27 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.