How far is Bayou Vista, TX from San Antonio, TX?
The driving distance from Bayou Vista, TX to San Antonio, TX is about 242.1 miles (389.6 km), with a travel time of about 03h 51m by car.
- The straight-line flight distance is about 214.1 miles (344.6 km).
- For a round trip, plan for roughly 07h 42m 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 51m.
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.
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Bayou Vista and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bayou Vista and San Antonio.
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1
Start on Warsaw Drive
1724 ft · 1 min · Warsaw Drive
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2
Turn left onto Highway 6 Frontage Road
105 m · 15 sec · Highway 6 Frontage Road
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3
Continue on Neptune Drive
817 ft · 39 sec · Neptune Drive
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4
Turn sharp left onto Highway 6
101 m · 11 sec · Highway 6
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5
Take the ramp straight
1286 ft · 36 sec
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6
Turn left
90 m · 8 sec
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7
Continue on Gulf Freeway Frontage Road
1.9 mi · 5 min · Gulf Freeway Frontage Road
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8
Take the ramp slight left
1268 ft · 31 sec
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9
Merge slight left onto Gulf Freeway
39.3 mi · 45 min · Gulf Freeway
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10
Take the exit slight left toward I 10 West: San Antonio
717 ft · 18 sec
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11
Merge slight left onto Katy Freeway
174.7 mi · 3 hr 2 min · Katy Freeway
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12
Keep slight left
12 mi · 13 min
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13
Keep slight left to continue on 90th Infantry Division Highway
1.2 km · 52 sec · 90th Infantry Division Highway
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14
Continue on Jose Lopez Freeway
1.6 mi · 2 min · Jose Lopez Freeway
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15
Take the exit slight right toward Commerce Street, Houston Street
790 ft · 19 sec
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16
Turn straight onto Interstate 10 East
1830 ft · 39 sec · Interstate 10 East
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17
Turn right onto East Houston Street
963 ft · 20 sec · East Houston Street
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18
Turn slight left onto East Commerce Street
4.3 mi · 7 min · East Commerce Street
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19
Turn left onto Military Plaza
119 m · 16 sec · Military Plaza
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20
Turn left onto Dolorosa Street
100 m · 8 sec · Dolorosa Street
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21
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Bayou Vista and San Antonio.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Katy Freeway
Merge slight left onto Katy Freeway
175 mi · 03h 02m
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 Bayou Vista and Showers And Thunderstorms near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bayou Vista to San Antonio?
The road trip is about 242.1 miles (389.6 km) and usually takes 03h 51m 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 118.2 miles from Bayou Vista and 123.9 miles from San Antonio.
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 28 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 9:18 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.27 one way or $64.55 round trip. Estimated CO2 is about 75.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms Likely around Bayou Vista and Showers And Thunderstorms near San Antonio.
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 Bayou Vista and San Antonio. Straight-line distance: 214.15 mi (344.64 km).
#1 Bayou Vista
City in Galveston County, Texas, United States
| Population | 1,637 |
| Coordinates | 29.3263500, -94.9385300 |
| Altitude | 2 |
| 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: 390 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 03m |
| 40 mph (64.37 km/h) | 06h 03m |
| 50 mph (80.47 km/h) | 04h 50m |
| 60 mph (96.56 km/h) | 04h 02m |
| 70 mph (112.65 km/h) | 03h 27m |
| 80 mph (129 km/h) | 03h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $32.27 | $64.55 |
| Mid-grade | $4.25 | $36.31 | $72.62 |
| Premium | $4.59 | $39.21 | $78.41 |
| Diesel | $3.99 | $34.10 | $68.20 |
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 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.