How far is San Antonio, TX from Alvin, TX?
The driving distance from San Antonio, TX to Alvin, TX is about 221.1 miles (355.8 km), with a travel time of about 04h 01m by car.
- The straight-line flight distance is about 195.5 miles (314.7 km).
- For a round trip, plan for roughly 08h 03m 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 01m.
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 Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Partly Sunny
Driving Route Map
The map below follows the saved road route between San Antonio and Alvin.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Alvin.
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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
152.5 mi · 2 hr 36 min
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13
Take the exit slight right toward Sam Houston Tollway
2115 ft · 52 sec
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14
Keep slight right to continue on SHT South
1.1 km · 1 min
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15
Merge slight left onto West Sam Houston Tollway North
1.4 mi · 2 min · West Sam Houston Tollway North
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16
Keep slight left to continue on West Sam Houston Tollway South
5.6 mi · 6 min · West Sam Houston Tollway South
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17
Continue on West Sam Houston Parkway South
1.9 mi · 2 min · West Sam Houston Parkway South
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18
Continue on South Sam Houston Tollway West
10.4 mi · 12 min · South Sam Houston Tollway West
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19
Take the exit slight right toward TX 288 Toll North, TX 288 South: Downtown, Lake Jackson, Freeport
2365 ft · 58 sec
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20
Keep slight right to continue on TX 288 Toll South, TX 288 South: Lake Jackson, Freeport
1917 ft · 47 sec
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21
Continue on South Freeway
1077 ft · 15 sec · South Freeway
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22
Keep slight left to continue on TX 288 Toll South
900 ft · 13 sec
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23
Merge slight left
5 mi · 6 min
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24
Merge slight right onto South Freeway
1312 ft · 17 sec · South Freeway
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25
Continue on Nolan Ryan Expressway
1.7 mi · 2 min · Nolan Ryan Expressway
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26
Take the exit slight right toward TX 6: Alvin, Sugar Land
1829 ft · 47 sec
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27
Continue on Alvin, Sugar Land
753 ft · 23 sec
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28
Turn left onto Alvin Sugarland Road
10.2 mi · 15 min · Alvin Sugarland Road
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29
Turn left onto North Gordon Street
100 m · 14 sec · North Gordon Street
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30
Turn left
25 m · 7 sec
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31
Turn right
23 m · 9 sec
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32
Turn right onto Avenue D
28 m · 6 sec · Avenue D
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33
Turn right onto North Gordon Street
2302 ft · 54 sec · North Gordon Street
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34
Turn right onto West Sealy Street
3 m · 1 sec · West Sealy Street
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35
Arrive at your destination
0 m · 1 sec · West Sealy Street
Car Route Details
A richer read on the saved driving route between San Antonio and Alvin.
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
152 mi · 02h 36m
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 leaving San Antonio and Partly Sunny near Alvin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Alvin?
The road trip is about 221.1 miles (355.8 km) and usually takes 04h 01m 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?
Weimar is a useful midpoint, sitting about 110.4 miles from San Antonio and 110.7 miles from Alvin.
How much longer is the road route than the straight-line distance?
The direct path is about 195.5 miles (314.7 km), while the road route adds roughly 25.6 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 8:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.48 one way or $58.95 round trip. Estimated CO2 is about 69.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around San Antonio and Partly Sunny near Alvin.
Stop Ideas Near Weimar
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 Weimar.
Prairie View, TX
Austin
San Marcos Station
Taylor
Flight Path Map
This map shows the direct air route between San Antonio and Alvin. Straight-line distance: 195.55 mi (314.71 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 Alvin
City in Brazoria County, Texas, United States
| Population | 27,140 |
| Coordinates | 29.4238500, -95.2441000 |
| Altitude | 13 |
| Country | United States |
End: Alvin (-95.2441, 29.42385)
Estimated Travel Time
Distance: 356 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 21m |
| 40 mph (64.37 km/h) | 05h 31m |
| 50 mph (80.47 km/h) | 04h 25m |
| 60 mph (96.56 km/h) | 03h 41m |
| 70 mph (112.65 km/h) | 03h 09m |
| 80 mph (129 km/h) | 02h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $29.48 | $58.95 |
| Mid-grade | $4.25 | $33.17 | $66.33 |
| Premium | $4.59 | $35.81 | $71.62 |
| Diesel | $3.99 | $31.15 | $62.29 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.