Spanning 211.1 miles from Madisonville to San Antonio, this journey across the Great Plains takes approximately 3 hours and 25 minutes of drive time. Because the route relies on local roads rather than interstate highways, it is best approached as a full-day commitment. You can expect to spend about $31 on fuel for the trip, making it an affordable excursion for those who prefer a slower pace. While it is certainly possible to complete this drive in a single day, the turn-heavy nature of the route means you should be prepared for active steering rather than cruising. It serves as a straightforward connection within the Great Plains region, perfect for travelers looking to avoid the monotony of major freeways.
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
104.3 miles from Madisonville, TX
A natural place for your longest stop of the day
, about 1h 58m into the drive
.
Main Roads
Road
Distance
Duration
West State Highway 21
89.3 mi
1h 40m
East Main Street
35.4 mi
40m
Pickle Parkway
34 mi
29m
I 10
32.5 mi
33m
East Commerce Street
4.3 mi
7m
TX 21
3.2 mi
4m
State Highway 71 East
2.3 mi
2m
Jose Lopez Freeway
1.6 mi
1m
Longest stretch:
West State Highway 21
— 89.3 mi, about 1h 40m
Turn-by-Turn Driving Directions
Step-by-step road directions between Madisonville, TX and San Antonio, TX.
1
Start on US 190; TX 21
35 mi·40 min·East Main Street
2
Continue on TX 21
1.3 mi·2 min·San Jacinto Avenue
3
Continue on TX 21
71 mi·1 hr 19 min·West State Highway 21
4
Turn left onto TX 95
0.3 mi·29 sec·State Highway 95
Use the left / straight lanes.
5
Turn right onto TX 21
409 ft·10 sec·State Highway 71 East
Use the right lane.
6
Take the ramp
0.4 mi·49 sec
Toward TX 21 West, TX 71 West
7
Merge onto TX 21; TX 71
2.2 mi·2 min·State Highway 71 East
Use the straight / slight right lanes.
8
Continue on TX 71; TX 21
0.7 mi·49 sec·TX 71; TX 21
Use the straight / slight right lanes.
9
Continue on TX 21; TX 71
2.8 mi·3 min·TX 21; TX 71
10
Take the exit onto TX 21
0.3 mi·51 sec·TX 21
Toward TX 21 West: San Marcos
11
Turn left onto TX 21
18 mi·20 min·West State Highway 21
12
Turn left
0.3 mi·1 min
Toward US 183, Toll 130 SouthUse the left lane.
13
Turn straight onto US 183
0.5 mi·36 sec·US 183
14
Take the ramp
0.3 mi·39 sec
Toward TX 130 Toll South
15
Merge onto TX 130 Toll
34 mi·29 min·Pickle Parkway
Use the straight / slight right lanes.
16
Keep slight right at fork
0.6 mi·1 min
Toward I 10 West: San AntonioUse the slight left / slight right lanes.
17
Merge onto I 10; TX 130
11 mi·11 min·I 10; TX 130
Use the straight / slight right lanes.
18
Continue on I 10; US 90; TX 130
9.4 mi·9 min·I 10; US 90; TX 130
Use the straight / slight right lanes.
19
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.
20
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.
21
Continue on I 10; US 90
1.6 mi·1 min·Jose Lopez Freeway
Use the straight / slight right lanes.
22
Take the exit
0.1 mi·19 sec
Exit 579Toward Commerce Street, Houston StreetUse the straight / slight right lanes.
23
Turn straight onto Interstate 10 East
0.3 mi·38 sec·Interstate 10 East
24
Turn right onto East Houston Street
0.2 mi·20 sec·East Houston Street
25
Turn slight left onto East Commerce Street
4.3 mi·7 min·East Commerce Street
26
Turn left onto Military Plaza
392 ft·15 sec·Military Plaza
27
Turn left onto Dolorosa Street
327 ft·8 sec·Dolorosa Street
28
Arrive at destination
Dolorosa Street
Trip Plan
Given the turn-heavy profile of this 211.1-mile drive, plan your departure for early in the day to ensure you have plenty of daylight for navigating local roads. Since you only have one scheduled stop, use it strategically to stretch your legs and reset after the frequent turns required by the local road network. Budgeting $31 for fuel is sufficient, but keep an eye on your gauge during the middle sections where service stations may be less frequent. Flexibility is your biggest advantage on this route, so don't feel pressured to rush the 3-hour and 25-minute transit time. A concrete tip for this specific drive is to stay alert at intersections, as the constant switching between Highway 21 and Highway 95 requires careful navigation.
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 104.3 miles from Madisonville, TX, or about 1h 58m into the drive.
The longest continuous stretch on this route runs about 89.3 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 46 miles or 53m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 104.3 miles or 1h 58m 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 9m
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 Madisonville, 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 Madisonville, TX
This is one driving day of about 208.7 miles and 3h 51m.
Your first comfortable stop window is around 46 miles from Madisonville, 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 West State Highway 21 for about 89.3 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 17
5 decision points cluster between mile 108.1 and 203.5 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
108.1 mi into trip|~2h 2m in|TX 95 / State Highway 95
Turn left onto TX 95 / State Highway 95
Lane positioning matters here
Use the left / straight lanes.
7
132.9 mi into trip|~2h 33m in
Turn left toward US 183, Toll 130 South
Lane positioning matters here. Multiple destination signs - pick the right one
Use the left lane.
Toward US 183, Toll 130 South
7
168 mi into trip|~3h 5m in
Keep slight right at fork toward I 10 West: San Antonio
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Toward I 10 West: San Antonio
6
189.1 mi into trip|~3h 27m 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.
8
203.5 mi into trip|~3h 43m 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
Fuel & Cost
Regular Gas
$31.54 one way
$63.07 round trip
$3.84/gal25.4 MPG avg73 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.20
$34.52
$69.04
premium
$4.54
$37.26
$74.52
diesel
$5.61
$46.08
$92.16
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$32
Meals
$25–$50
Total
$57–$82
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 73 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $22 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
62.6
0
$21.91
$10.02
Efficient EV
52.2
0
$18.26
$8.35
EV Truck/SUV
83.5
1
$29.22
$13.36
Gas CO2
73 kg
EV CO2
24 kg (67% 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 15, 2026
Origin
Madisonville, TX
Late night
in Madisonville on Sunday
Local time
5:21 AM
CDT
Current temp
76°F
Unavailable
Live forecast
Destination
San Antonio, TX
Late night
in San Antonio on Sunday
Local time
5:21 AM
CDT
Current temp
77°F
Unavailable
Live forecast
75°F
Smithville, TX
104 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
1 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
3h 51m 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...
9 mi from route
~22 min detour
Free
near mile 208.7
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
Expect a unique experience behind the wheel, as this route avoids highways entirely, resulting in a 0% highway share. Your journey relies on local connectors like San Jacinto Avenue, Highway 21, and Highway 95, which trade high-speed efficiency for a more technical, turn-heavy drive. Because the longest stretch on any single road is 0 miles on San Jacinto Avenue, you will find yourself navigating constant transitions between segments. This is not a route for those looking to set cruise control; instead, it demands your full attention as you wind through the local landscape. The character of the drive remains consistent, favoring intimacy with the regional roads over the speed of major thoroughfares.
79% highway — fuel and pacing are the main things to plan.
28 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 89.3 mi on West State Highway 21.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on West State Highway 21 and East Main Street. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 108.1 miles in near TX 95 / State Highway 95.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 17 significant decision points across 208.7 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 108.1 miles (TX 95 / State Highway 95): Lane positioning matters here; at 132.9 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 168 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Madisonville, TX to San Antonio, TX, road signs begin pointing toward Toll 130 South along the way.
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 3h 51m. Total distance: 208.7 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 51m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (79%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 89.3 miles on West State Highway 21. The full list of main roads is in the Roads section above.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
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. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 108.1 miles (TX 95 / State Highway 95): Lane positioning matters here; at 132.9 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 168 miles: 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.
Possible but tiring. At 3.9 hours each way, an in-and-out day trip would put you behind the wheel for 7.7 hours — manageable with a long break at San Antonio, TX, but most travelers stay overnight.
