How far is Montgomery, TX from San Antonio, TX?
Fastest route
The route from Montgomery, Texas to San Antonio, Texas covers a distance of approximately 200 miles and takes around 3 hours and 18 minutes. The suggested directions involve taking TX-105 W, US-290 W, and I-10 W to reach the destination. Here are some tips and suggestions for the journey:
Directions
- Start by heading north on S Liberty St toward Hwy 105 W/Eva St in Montgomery, Texas.
- Take a left at the first cross street onto TX-105 W/Hwy 105 W/Eva St.
- Continue on TX-105 W/Hwy 105 W, passing NAPA Auto Parts - WAPCO #2 on your right.
- Continue straight onto TX-105 W and then onto TX-515 Spur W.
- Turn right onto S Lasalle St and then left onto TX-105 W/E Washington Ave.
- Continue on TX-105 W, passing Prosperity Bank on your left.
- Turn right onto E Blue Bell Rd and follow it until you reach E Hwy 71 Business/E Travis St.
- Take a sharp left onto W Travis St and continue onto N Farm to Market 609, which will eventually become Farm to Market Rd 609.
- Turn right onto FM609, N Farm to Market 609, and Farm to Market Rd 609 to get on I-10 W.
- Merge onto I-10 W and follow it until you reach the exit for La Trinidad St/S Pecos St in San Antonio (exit 155c).
- Take the exit and continue on La Trinidad St/S Pecos St.
- Turn left onto W Martin St and continue onto W Pecan St/Rossy St.
- Finally, turn right onto N Flores St, which will lead you to your destination in San Antonio, Texas.
Tips & Suggestions
- 🚗 It is recommended to use a car for this journey.
- ⛽ Make sure to have enough fuel for the trip and consider refueling along the way if needed.
- 📱 Use a navigation app or GPS device to help you stay on track.
- 🚧 Stay alert for road signs and follow the directions carefully.
- 🍽️ Plan for rest stops and meal breaks along the route.
- 🕒 Check traffic conditions before you start the journey to anticipate any delays.
- 📞 Keep emergency contact numbers handy in case of any unforeseen circumstances.
- 🧴 Don't forget to bring any necessary personal items, such as water, snacks, and a first aid kit, for the journey.
- 🚘 Ensure your vehicle is in good condition before embarking on the trip, including checking tire pressure and fluid levels.
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 03h 30m.
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 Sunny
Driving Route Map
The map below follows the saved road route between Montgomery and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between Montgomery and San Antonio.
-
1
Start on South Liberty Street
1.2 mi · 2 min · South Liberty Street
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2
Continue on Farm-to-Market Road 149
7 mi · 10 min · Farm-to-Market Road 149
-
3
At the end of the road, turn left onto Farm-to-Market Road 149
6.7 mi · 12 min · Farm-to-Market Road 149
-
4
Turn left
3154 ft · 1 min
-
5
Take the ramp straight toward TX 249 Toll South
2181 ft · 53 sec
-
6
Merge slight left onto Aggie Expressway
1555 ft · 20 sec · Aggie Expressway
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7
Continue on MCTRA 249 Tollway
3.6 mi · 4 min · MCTRA 249 Tollway
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8
Continue on Tomball Tollway
4.7 mi · 5 min · Tomball Tollway
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9
Take the exit slight right toward TX 99 Toll: Grand Parkway, Boudreaux Road
1147 ft · 28 sec
-
10
Turn straight onto Tomball Parkway
1128 ft · 19 sec · Tomball Parkway
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11
Turn right onto North Grand Parkway West
1448 ft · 34 sec · North Grand Parkway West
-
12
Take the ramp straight toward TX 99 Toll West
3049 ft · 1 min
-
13
Merge slight left onto Grand Parkway
25.5 mi · 28 min · Grand Parkway
-
14
Take the exit slight right toward I 10 East, I 10 West: Houston, San Antonio
3149 ft · 1 min
-
15
Keep slight right to continue on I 10 West: San Antonio
1.1 km · 1 min
-
16
Merge slight left onto Katy Freeway
149.1 mi · 2 hr 30 min · Katy Freeway
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17
Keep slight left
12 mi · 13 min
-
18
Keep slight left to continue on 90th Infantry Division Highway
1.2 km · 52 sec · 90th Infantry Division Highway
-
19
Continue on Jose Lopez Freeway
1.6 mi · 2 min · Jose Lopez Freeway
-
20
Take the exit slight right toward Commerce Street, Houston Street
790 ft · 19 sec
-
21
Turn straight onto Interstate 10 East
1830 ft · 39 sec · Interstate 10 East
-
22
Turn right onto East Houston Street
963 ft · 20 sec · East Houston Street
-
23
Turn slight left onto East Commerce Street
4.3 mi · 7 min · East Commerce Street
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24
Turn left onto Military Plaza
119 m · 16 sec · Military Plaza
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25
Turn left onto Dolorosa Street
100 m · 8 sec · Dolorosa Street
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26
Arrive at your destination
0 m · 1 sec · Dolorosa Street
Car Route Details
A richer read on the saved driving route between Montgomery and San Antonio.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Katy Freeway
Merge slight left onto Katy Freeway
149 mi · 02h 30m
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.
Sunny leaving Montgomery and Mostly Sunny near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Montgomery to San Antonio?
The road trip is about 223.4 miles (359.5 km) and usually takes 03h 30m 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 Montgomery and 113 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 180.3 miles (290.1 km), while the road route adds roughly 43.1 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 10:00 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $29.78 one way or $59.56 round trip. Estimated CO2 is about 70 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Montgomery and Mostly Sunny near San Antonio.
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 Montgomery and San Antonio. Straight-line distance: 180.29 mi (290.15 km).
#1 Montgomery
City in and county seat of Montgomery County, Alabama, United States and Alabama federated state capital
| Population | 1,639 |
| Coordinates | 30.3882600, -95.6963400 |
| Altitude | 90 |
| Country | United States |
#2 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 |
End: Dolorosa Street (-98.493645, 29.424163)
Estimated Travel Time
Distance: 360 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 26m |
| 40 mph (64.37 km/h) | 05h 35m |
| 50 mph (80.47 km/h) | 04h 28m |
| 60 mph (96.56 km/h) | 03h 43m |
| 70 mph (112.65 km/h) | 03h 11m |
| 80 mph (129 km/h) | 02h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $29.78 | $59.56 |
| Mid-grade | $4.25 | $33.51 | $67.01 |
| Premium | $4.59 | $36.18 | $72.35 |
| Diesel | $3.99 | $31.46 | $62.93 |
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 · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.