Trip from Alton, TX to San Antonio, TX
Drive Time
3h 39m
Distance
239.2 mi
Route Type
Turn-heavy local drive
Same-day tripTrip Overview
The drive from Alton, TX to San Antonio, TX covers 239.2 miles and takes about 3h 39m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on North 10th Avenue, West McIntyre Street, North Closner Boulevard for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $35.59 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
119.6 miles from Alton, TX
A natural place for your longest stop of the day.
Drive Character
Expect a 3h 39m drive with frequent turns across 239.2 miles of local and secondary roads.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| North 10th Avenue | 0 mi | 0m |
| West McIntyre Street | 0 mi | 0m |
| North Closner Boulevard | 0 mi | 0m |
| North Expressway 281 | 0 mi | 0m |
| I 69C North | 0 mi | 0m |
| Nueces Street | 0 mi | 0m |
| Commerce Street | 0 mi | 0m |
| Interstate 37 South | 0 mi | 0m |
Step-by-Step Directions
Start on Main Avenue
Turn right
Continue straight
At the end of the road, turn left onto North 10th Avenue
Turn right onto West McIntyre Street
Turn left onto North Closner Boulevard
Turn straight onto North Expressway 281
Take the ramp slight left toward I 69C North, US 281 North
Merge slight left
Keep slight right
Keep slight left to continue on Nueces Street
Continue straight
Take the exit straight
Take the exit slight right toward Commerce Street, Downtown, The Alamo
Turn straight onto Interstate 37 South
Turn left onto East Commerce Street
Turn left onto Military Plaza
Turn left onto Dolorosa Street
Arrive at your destination
When to Leave
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
This is a comfortable same-day trip.
Drive Plan
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 119.6 miles
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Last hour of driving
Traffic, exits, and arrival timing usually matter more near San Antonio, TX than in the middle of the route.
Before You Leave
Open the route before leaving Alton, TX so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Trip Strategy
Day 1
Settle into the route from Alton, TX
This is one driving day of about 239.2 miles and 3h 39m.
Best Stop Towns on This Route
These towns line up with the pace of this drive and give you clearer places to stop with a purpose.
Late stop town
Meal stop
120 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Travel Advice
Arrival Notes
Seasonal Notes
Stops Along the Way
Halfway Point
Midpoint
About 119.6 mi from Alton, TX
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 119.6 miles from Alton, TX, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions for the drive, so the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| regular | $3.78 | $35.59 | $71.18 |
| midgrade | $4.25 | $40.04 | $80.08 |
| premium | $4.59 | $43.23 | $86.47 |
| diesel | $3.99 | $37.60 | $75.21 |
Based on 25.4 MPG average. Estimated CO2 emission: 83.7 kg one way.
Frequently Asked Questions
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