How far is San Antonio, TX from Washington, TX?
The driving distance from San Antonio, TX to Washington, TX is about 167.6 miles (269.7 km), with a travel time of about 03h 24m by car.
- The straight-line flight distance is about 153.2 miles (246.6 km).
- For a round trip, plan for roughly 06h 48m 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 24m.
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 Fayette County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between San Antonio and Washington.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Washington.
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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 · 46 sec · East Market Street
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4
Turn left
111 m · 13 sec
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5
Turn straight onto East Commerce Street
1.2 km · 1 min · East Commerce Street
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6
Keep slight left to continue on East Commerce Street
2.7 mi · 4 min · East Commerce Street
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7
Turn slight right onto East Houston Street
1349 ft · 31 sec · East Houston Street
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8
Turn left onto Interstate 10 East
583 ft · 12 sec · Interstate 10 East
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9
Take the ramp slight left toward I 10 East, US 90 East
874 ft · 21 sec
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10
Merge slight left onto Jose Lopez Freeway
1.8 mi · 2 min · Jose Lopez Freeway
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11
Continue on 90th Infantry Division Highway
22.2 mi · 23 min · 90th Infantry Division Highway
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12
Continue on I 10 East: Houston, Austin, Waco
58.3 mi · 58 min
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13
Take the exit slight right toward TX 95, FM 609: Flatonia, Smithville
1494 ft · 21 sec
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14
Continue on East Interstate 10 Frontage Road
1956 ft · 57 sec · East Interstate 10 Frontage Road
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15
Turn left
19.5 mi · 27 min
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16
At the end of the road, turn right onto West Travis Street
2.6 mi · 4 min · West Travis Street
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17
Turn left onto East State Highway 159
6.6 mi · 10 min · East State Highway 159
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18
Continue straight
15.6 mi · 23 min
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19
Turn left
149 m · 27 sec
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20
Turn sharp right onto US Highway 290 West
13.7 mi · 15 min · US Highway 290 West
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21
Continue on West Main Street
2 mi · 4 min · West Main Street
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22
Turn left onto South Chappell Hill Street
18.3 mi · 24 min · South Chappell Hill Street
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23
Turn right onto FM 1155 East
1.4 mi · 3 min · FM 1155 East
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24
Turn left
75 m · 18 sec
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25
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Antonio and Washington.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 10 East
Continue on I 10 East: Houston, Austin, Waco
58.3 mi · 00h 58m
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.
Partly Sunny leaving San Antonio and Partly Sunny near Washington.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Washington?
The road trip is about 167.6 miles (269.7 km) and usually takes 03h 24m 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?
Flatonia is a useful midpoint, sitting about 83.8 miles from San Antonio and 83.9 miles from Washington.
How much longer is the road route than the straight-line distance?
The direct path is about 153.2 miles (246.6 km), while the road route adds roughly 14.4 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 10:12 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.33 one way or $44.67 round trip. Estimated CO2 is about 52.5 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around San Antonio and Partly Sunny near Washington.
Stop Ideas Near Flatonia
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 Flatonia.
San Marcos Station
Austin
Taylor
Prairie View, TX
Flight Path Map
This map shows the direct air route between San Antonio and Washington. Straight-line distance: 153.23 mi (246.6 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 Washington
City in Washington County, Kansas
| Population | 1,131 |
| Coordinates | 30.3252100, -96.1566300 |
| Altitude | 69 |
| Country | United States |
End: Washington (-96.15663, 30.32521)
Estimated Travel Time
Distance: 270 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 35m |
| 40 mph (64.37 km/h) | 04h 11m |
| 50 mph (80.47 km/h) | 03h 21m |
| 60 mph (96.56 km/h) | 02h 47m |
| 70 mph (112.65 km/h) | 02h 23m |
| 80 mph (129 km/h) | 02h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $22.33 | $44.67 |
| Mid-grade | $4.25 | $25.13 | $50.26 |
| Premium | $4.59 | $27.13 | $54.27 |
| Diesel | $3.99 | $23.60 | $47.20 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.