How far is San Antonio, TX from Bayou Vista, TX?
The driving distance from San Antonio, TX to Bayou Vista, TX is about 236.4 miles (380.4 km), with a travel time of about 04h 17m by car.
- The straight-line flight distance is about 214.1 miles (344.6 km).
- For a round trip, plan for roughly 08h 35m 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 17m.
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 Colorado County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between San Antonio and Bayou Vista.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Bayou Vista.
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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
151.1 mi · 2 hr 34 min
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13
Take the exit slight left toward I 10 Toll: Katy Tollway
1548 ft · 22 sec
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14
Merge slight left onto Katy Tollway
3.2 mi · 4 min · Katy Tollway
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15
Take the exit slight right
1092 ft · 15 sec
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16
Merge slight right onto Katy Freeway
10.3 mi · 13 min · Katy Freeway
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17
Take the exit slight left toward I 45 South: Galveston
819 ft · 20 sec
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18
Merge slight left onto Gulf Freeway
40.7 mi · 47 min · Gulf Freeway
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19
Take the exit slight right
2643 ft · 1 min
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20
Turn straight onto Gulf Freeway Frontage Road
776 ft · 21 sec · Gulf Freeway Frontage Road
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21
Turn slight right
925 ft · 34 sec
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22
Turn straight onto Highway 6
108 m · 15 sec · Highway 6
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23
Continue on Highway 6
121 m · 8 sec · Highway 6
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24
Turn right onto Barracuda Street
20 m · 9 sec · Barracuda Street
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25
Turn left onto Neptune Drive
1161 ft · 53 sec · Neptune Drive
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26
Turn right onto Warsaw Drive
1724 ft · 1 min · Warsaw Drive
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27
Arrive at your destination
0 m · 1 sec · Warsaw Drive
Car Route Details
A richer read on the saved driving route between San Antonio and Bayou Vista.
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
151 mi · 02h 34m
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.
Showers And Thunderstorms leaving San Antonio and Chance Showers And Thunderstorms then Showers And Thunderstorms Likely near Bayou Vista.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Bayou Vista?
The road trip is about 236.4 miles (380.4 km) and usually takes 04h 17m 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?
Columbus is a useful midpoint, sitting about 118 miles from San Antonio and 118.3 miles from Bayou Vista.
How much longer is the road route than the straight-line distance?
The direct path is about 214.1 miles (344.6 km), while the road route adds roughly 22.3 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 8:24 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.52 one way or $63.03 round trip. Estimated CO2 is about 74.1 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around San Antonio and Chance Showers And Thunderstorms then Showers And Thunderstorms Likely near Bayou Vista.
Stop Ideas Near Columbus
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 Columbus.
Prairie View, TX
Bryan, TX
Houston
Houston, TX
Flight Path Map
This map shows the direct air route between San Antonio and Bayou Vista. Straight-line distance: 214.15 mi (344.64 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 Bayou Vista
City in Galveston County, Texas, United States
| Population | 1,637 |
| Coordinates | 29.3263500, -94.9385300 |
| Altitude | 2 |
| Country | United States |
End: Bayou Vista (-94.93853, 29.32635)
Estimated Travel Time
Distance: 380 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 52m |
| 40 mph (64.37 km/h) | 05h 54m |
| 50 mph (80.47 km/h) | 04h 43m |
| 60 mph (96.56 km/h) | 03h 56m |
| 70 mph (112.65 km/h) | 03h 22m |
| 80 mph (129 km/h) | 02h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $31.52 | $63.03 |
| Mid-grade | $4.25 | $35.46 | $70.92 |
| Premium | $4.59 | $38.29 | $76.58 |
| Diesel | $3.99 | $33.30 | $66.60 |
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 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.