La Grange to San Antonio is 109 miles and takes about 2 hours 3 minutes via I 10, with a fuel budget near $16 and enough daylight to finish in a day. This drive primarily stays within the Great Plains region, taking you from one Texas locale to another. Given its relatively short distance and highway-focused profile, it's a straightforward trip perfect for a single day. You'll spend most of your time on the interstate, making it a practical choice for getting from point A to point B efficiently. Consider this route if you're looking for a quick connection between these two Texas cities.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
54.5 miles from La Grange, TX
A natural place for your longest stop of the day
, about 1h 3m into the drive
.
Main Roads
Road
Distance
Duration
I 10
79.8 mi
1h 20m
FM 609
19.4 mi
26m
East Commerce Street
4.3 mi
7m
Jose Lopez Freeway
1.6 mi
1m
West Travis Street
1.6 mi
2m
90th Infantry Division Highway
0.8 mi
<1m
Interstate 10 East
0.3 mi
<1m
East Houston Street
0.2 mi
<1m
Longest stretch:
I 10
— 79.8 mi, about 1h 20m
Turn-by-Turn Driving Directions
Step-by-step road directions between La Grange, TX and San Antonio, TX.
1
Start on US 77
30 ft·7 sec·South Jefferson Street
2
Turn left onto TX 71 Bus
1.6 mi·2 min·West Travis Street
3
Turn left onto FM 609
19 mi·26 min·FM 609
4
Continue on this road
0.4 mi·1 min·this road
5
Take the ramp
0.3 mi·35 sec
6
Merge onto I 10
68 mi·1 hr 7 min·I 10
Use the straight / slight right lanes.
7
Keep slight left at fork onto I 10; US 90; TX 130
12 mi·12 min·I 10; US 90; TX 130
Use the straight / slight right lanes.
8
Keep slight left at fork onto I 10; US 90; TX 130
0.8 mi·51 sec·90th Infantry Division Highway
Use the straight / slight right lanes.
9
Continue on I 10; US 90
1.6 mi·1 min·Jose Lopez Freeway
Use the straight / slight right lanes.
10
Take the exit
0.1 mi·19 sec
Exit 579Toward Commerce Street, Houston StreetUse the straight / slight right lanes.
11
Turn straight onto Interstate 10 East
0.3 mi·38 sec·Interstate 10 East
12
Turn right onto East Houston Street
0.2 mi·20 sec·East Houston Street
13
Turn slight left onto East Commerce Street
4.3 mi·7 min·East Commerce Street
14
Turn left onto Military Plaza
392 ft·15 sec·Military Plaza
15
Turn left onto Dolorosa Street
327 ft·8 sec·Dolorosa Street
16
Arrive at destination
Dolorosa Street
Trip Plan
With a duration of just over 2 hours, this is a trip you can easily complete in a single day, offering flexibility in your departure time. Leaving in the morning will allow you to arrive in San Antonio with ample time to explore or settle in. Since the longest stretch on I 10 is nearly 80 miles, plan your fuel stops accordingly before you get too low, especially considering the estimated fuel cost of $16. While the drive is short and doesn't necessitate many stops, there are opportunities along I 10 for quick breaks if needed. Keep an eye out for the transition from the open highway to the urban environment as you approach San Antonio.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 54.5 miles from La Grange, TX, or about 1h 3m into the drive.
The longest continuous stretch on this route runs about 79.8 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 24 miles or 33m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 54.5 miles or 1h 3m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 38m
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 La Grange, 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 La Grange, TX
This is one driving day of about 109 miles and 2h 3m.
Your first comfortable stop window is around 24 miles from La Grange, TX.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on I 10 for about 79.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 9
5 decision points cluster between mile 21.7 and 109 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
21.7 mi into trip|~31m in|I 10
Merge onto I 10
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
6
89.5 mi into trip|~1h 38m in|I 10; US 90; TX 130
Keep slight left at fork onto I 10; US 90; TX 130
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
6
101.6 mi into trip|~1h 51m in|I 10; US 90; TX 130 / 90th Infantry Division Highway
Keep slight left at fork onto I 10; US 90; TX 130 / 90th Infantry Division Highway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
8
103.9 mi into trip|~1h 54m in
Take the exit toward Commerce Street, Houston Street
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 579
Toward Commerce Street, Houston Street
5
109 mi into trip|~2h 3m in|Dolorosa Street
Turn left onto Dolorosa Street
Navigation decision point
Fuel & Cost
Regular Gas
$16.47 one way
$32.94 round trip
$3.84/gal25.4 MPG avg38 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$18.03
$36.06
premium
$4.54
$19.46
$38.92
diesel
$5.61
$24.07
$48.13
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$16
Meals
$25–$50
Total
$41–$66
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 38.1 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $11 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
32.7
0
$11.44
$5.23
Efficient EV
27.3
0
$9.54
$4.36
EV Truck/SUV
43.6
0
$15.26
$6.98
Gas CO2
38 kg
EV CO2
13 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
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.
Forecast as of Apr 20, 2026
Origin
La Grange, TX
Morning
in La Grange on Tuesday
Local time
11:46 AM
CDT
Current temp
70°F
Unavailable
Live forecast
Destination
San Antonio, TX
Morning
in San Antonio on Tuesday
Local time
11:46 AM
CDT
Current temp
70°F
Unavailable
Live forecast
69°F
Luling, TX
55 mi in
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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
2h 3m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
San Antonio Missions National Historical Park
National Historical Park
Welcome to San Antonio Missions, a National Park Service site and the only UNESCO World Heritage Site in Texas. Each mission in the park is a center of community and has been since the early 1700s. Th...
7 mi from route
~19 min detour
Free
near mile 105.3
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This is a highway-focused drive, with 93% of the journey utilizing major roadways like I 10. Expect a consistent pace for most of the 109 miles, as you'll encounter a longest stretch of 79.8 miles on I 10 without significant diversions. The route maintains a predominantly interstate feel, meaning you'll experience the efficiency of higher speed limits and straightforward navigation. While the bulk of the drive is on the interstate, the final approach into San Antonio will involve navigating city streets like East Commerce Street, transitioning from a fast-paced highway to urban driving.
93% highway — fuel and pacing are the main things to plan.
16 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 79.8 mi on I 10.
How Hard Is This Drive?
6/10
This is a straightforward highway drive that stays mostly on I 10 and FM 609. You will hit about 9 points where you need to pay attention to lane position or signs. The trickiest moment comes around 21.7 miles in near I 10.
Driving Effort6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 109 miles you will encounter 9 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 21.7 miles (I 10): Merge point - match speed before joining. Lane positioning matters here; at 89.5 miles (I 10; US 90; TX 130): Highway fork - watch signs carefully. Lane positioning matters here; at 101.6 miles (I 10; US 90; TX 130 / 90th Infantry Division Highway): Highway fork - watch signs carefully. Lane positioning matters here.
San Antonio is the second largest city in the state of Texas and the 7th largest in the United States. It's the 24th largest metropolitan area in the country. Visited by more than 31 million annual visitors, San Antonio is a beautiful city at the axis of three different geological terrains: Hill Country, South Texas Plains and Prairie and Lakes. There's a lot to do in this city: fine art museums, historical missions and plenty of amusement parks in addition to great dining and lots of drinking. The culture and people are vibrant and interesting. San Antonio's downtown is one of the most lively in the nation.
Top landmarks
•Alamo Mission in San Antonio — historic place in San Antonio, Bexar County, Texas
•San Antonio Missions National Historical Park — historic district in San Antonio, Bexar County, Texas
•Fort Sam Houston — military base in San Antonio, Texas
Doable as a same-day drive at 2h 3m. Total distance: 109 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
2h 3m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (93%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 79.8 miles on I 10. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at San Antonio, TX before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 21.7 miles (I 10): Merge point - match speed before joining. Lane positioning matters here; at 89.5 miles (I 10; US 90; TX 130): Highway fork - watch signs carefully. Lane positioning matters here; at 101.6 miles (I 10; US 90; TX 130 / 90th Infantry Division Highway): Highway fork - watch signs carefully. Lane positioning matters here.
Yes — San Antonio Missions National Historical Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at San Antonio, TX before heading back.
