Origin
Alton, TX
Afternoon in Alton on Sunday
Local time
2:25 PM
CDT
Current temp
73°F
Unavailable
Live forecast
Trip from Alton, TX to San Antonio, TX
Drive Time
4h 29m
Distance
238.7 mi
384 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$36
one way
Alton, TX
Mark Direen
San Antonio, TX
Wikimedia Commons
Trip Overview
Traveling from Alton to San Antonio covers 239.2 miles and typically takes about 3 hours and 39 minutes of driving time. Because this journey is manageable in a single day, you can comfortably tackle it as a day trip without needing an overnight stay. You should budget approximately $36 for fuel to complete the trek. The route stays entirely within the Great Plains region of Texas, keeping the landscape consistent as you head north. Since the trip involves only one recommended stop, it is a straightforward transit between these two points. Use this guide to determine if this direct drive fits your travel schedule.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
119.4 miles from Alton, TX
A natural place for your longest stop of the day , about 2h 16m into the drive .
Drive Character
Expect a turn-heavy local drive rather than a monotonous interstate cruise, as this route features a 0% highway share. You will navigate via North 10th Avenue, West McIntyre Street, and North Closner Boulevard, which keeps your focus on local traffic patterns. Because the road consists entirely of local thoroughfares, you won't encounter the typical high-speed, long-stretch highway segments found on major corridors. This creates a more involved driving experience where you remain engaged with the environment throughout the 239.2-mile journey. Prepare for a steady pace as you transition through the various local road segments.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 19 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 69C is the longest continuous segment at about 138.2 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 69C and US 281. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes around 11.1 miles in near US 281 Business; TX 107 / North 10th Avenue.
Route Complexity
6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 238.7 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 11.1 miles (US 281 Business; TX 107 / North 10th Avenue): Lane positioning matters here; at 11.2 miles (US 281 Business; TX 107 / West McIntyre Street): Navigation decision point; at 11.3 miles (US 281 Business / North Closner Boulevard): Lane positioning matters here.
Critical Maneuvers
5 of 13 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
7
11.1 mi into trip
|
~16m in
|
US 281 Business; TX 107 / North 10th Avenue
At end of road, turn left onto US 281 Business; TX 107 / North 10th Avenue
Lane positioning matters here
Use the left lane.
5
11.2 mi into trip
|
~16m in
|
US 281 Business; TX 107 / West McIntyre Street
Turn right onto US 281 Business; TX 107 / West McIntyre Street
Navigation decision point
6
11.3 mi into trip
|
~17m in
|
US 281 Business / North Closner Boulevard
Turn left onto US 281 Business / North Closner Boulevard
Lane positioning matters here
Use the none lane.
6
153.7 mi into trip
|
~2h 55m in
|
US 281 / Nueces Street
Keep slight left at fork onto US 281 / Nueces Street
Highway fork - watch signs carefully. Lane positioning matters here
Use the none lane.
8
237.4 mi into trip
|
~4h 26m in
Take the exit toward Commerce Street, Downtown, The Alamo
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 141
Toward Commerce Street, Downtown, The Alamo
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 69C | 138.2 mi | 2h 31m |
| US 281 | 69 mi | 1h 11m |
| Nueces Street | 14.7 mi | 18m |
| TX 107 | 11.1 mi | 16m |
| North Closner Boulevard | 3.3 mi | 5m |
| East Commerce Street | 0.9 mi | 1m |
| North Expressway 281 | 0.7 mi | 1m |
| North 10th Avenue | <0.1 mi | <1m |
Longest stretch:
I 69C
— 138.2 mi, about 2h 31m
Turn-by-Turn Driving Directions
Step-by-step road directions between Alton, TX and San Antonio, TX.
1
Start on FM 676
102 ft
·
6 sec
·
Main Avenue
2
Turn right onto TX 107
2.0 mi
·
2 min
·
TX 107
3
Continue on TX 107
9.1 mi
·
13 min
·
TX 107
Use the none lane.
4
At end of road, turn left onto US 281 Business; TX 107
400 ft
·
12 sec
·
North 10th Avenue
Use the left lane.
5
Turn right onto US 281 Business; TX 107
377 ft
·
13 sec
·
West McIntyre Street
6
Turn left onto US 281 Business
3.3 mi
·
5 min
·
North Closner Boulevard
Use the none lane.
7
Turn straight onto North Expressway 281
0.7 mi
·
1 min
·
North Expressway 281
8
Take the ramp
0.3 mi
·
36 sec
Toward I 69C North, US 281 North
9
Merge onto I 69C; US 281
68 mi
·
1 hr 12 min
·
I 69C; US 281
Use the none / straight / slight right lanes.
10
Keep slight right at fork onto I 69C; US 281
70 mi
·
1 hr 19 min
·
I 69C; US 281
11
Keep slight left at fork onto US 281
15 mi
·
18 min
·
Nueces Street
Use the none lane.
12
Continue on US 281
0.2 mi
·
15 sec
·
US 281
Use the none lane.
13
Take the exit onto US 281
69 mi
·
1 hr 11 min
·
US 281
Use the none / straight / slight right lanes.
14
Take the exit
0.3 mi
·
33 sec
Exit 141
Toward Commerce Street, Downtown, The Alamo
Use the straight / slight right lanes.
15
Turn straight onto Interstate 37 South
380 ft
·
11 sec
·
Interstate 37 South
16
Turn left onto East Commerce Street
0.9 mi
·
1 min
·
East Commerce Street
Use the none lane.
17
Turn left onto Military Plaza
392 ft
·
15 sec
·
Military Plaza
18
Turn left onto Dolorosa Street
327 ft
·
8 sec
·
Dolorosa Street
19
Arrive at destination
Dolorosa Street
Trip Plan
When planning your departure, factor in the turn-heavy nature of these local roads, which may result in slower travel times than traditional highways. Since you only need one stop to complete the 3-hour and 39-minute drive, try to time it around the midpoint to stay refreshed. Flexibility is your biggest advantage here, as you aren't tethered to the rigid exit schedules of an interstate system. Before you head out, double-check your navigation settings to ensure you are prioritizing the specific local roads mentioned, as local routes can be sensitive to minor construction or traffic shifts. Keeping your fuel budget around $36 will help you stay on track for this direct Texas transit.
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.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 119.4 miles from Alton, TX, or about 2h 16m into the drive.
The longest continuous stretch on this route runs about 138.2 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 32m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 119.4 miles or 2h 16m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 43m
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.
Day 1
Settle into the route from Alton, TX
This is one driving day of about 238.7 miles and 4h 29m.
Your first comfortable stop window is around 80 miles from Alton, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 69C for about 138.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 119.4 mi from Alton, TX · 2h 16m into the drive
Mid-route town
Meal stop
119 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.
Pacing Suggestions
Fuel and coffee
A short stop after about 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 119.4 miles from Alton, TX, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 69C if your tank is already low. That segment runs about 138.2 miles.
Arriving in San Antonio, TX
The final approach into San Antonio, TX usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around San Antonio, TX.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$36.46 one way
$72.93 round trip
$3.88/gal
25.4 MPG avg
84 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $39.96 | $79.92 |
| premium | $4.59 | $43.14 | $86.29 |
| diesel | $5.64 | $53.03 | $106.06 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$36
Meals
$25–$50
Total
$61–$86
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 83.5 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $25 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 71.6 | 0 | $25.06 | $11.46 |
| Efficient EV | 59.7 | 0 | $20.89 | $9.55 |
| EV Truck/SUV | 95.5 | 1 | $33.42 | $15.28 |
Gas CO2
84 kg
EV CO2
28 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
San Antonio, TX
Afternoon in San Antonio on Sunday
Local time
2:25 PM
CDT
Current temp
81°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
8 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 29m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Alton, TX to San Antonio, TX covers 238.7 miles and takes about 4h 29m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 69C, US 281, Nueces Street. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 119.4 miles from Alton, TX. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $36.46 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This drive requires moderate attention. Across 238.7 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: at 11.1 miles (US 281 Business; TX 107 / North 10th Avenue): Lane positioning matters here; at 11.2 miles (US 281 Business; TX 107 / West McIntyre Street): Navigation decision point; at 11.3 miles (US 281 Business / North Closner Boulevard): Lane positioning matters here.
The route from Alton, TX to San Antonio, TX does not surface many named destination signs beyond the main corridor.
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