How far is San Augustine, TX from Montopolis, TX?
The driving distance from San Augustine, TX to Montopolis, TX is about 266.8 miles (429.3 km), with a travel time of about 04h 30m by car.
- The straight-line flight distance is about 230.3 miles (370.7 km).
- For a round trip, plan for roughly 09h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 04h 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, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between San Augustine and Montopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Augustine and Montopolis.
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1
Start on Columbia Street
88 m · 14 sec · Columbia Street
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2
Turn left onto South Liberty Street
114 m · 13 sec · South Liberty Street
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3
Turn right onto East Main Street
1530 ft · 33 sec · East Main Street
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4
Turn left onto South Broadway Street
12 mi · 20 min · South Broadway Street
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5
Continue straight
29.7 mi · 32 min
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6
Take the exit right
32 m · 3 sec
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7
Turn straight onto North Medford Drive
77 m · 7 sec · North Medford Drive
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8
Take the ramp straight
856 ft · 21 sec
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9
Merge slight left
1.4 km · 1 min
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10
Keep slight left to continue on US 69 North, Loop 287 West: Tyler
2.5 mi · 3 min
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11
Take the exit slight right toward Loop 287 South, TX 103 West, FM 2680, US 69 Business: Kurth Drive
1.3 km · 2 min
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12
Turn left onto John Redditt Drive
1.1 km · 55 sec · John Redditt Drive
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13
Take the exit slight right
11.7 mi · 13 min
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14
Continue straight
31.3 mi · 34 min
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15
Turn right onto 5th Street
39 m · 2 sec · 5th Street
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16
Turn left onto East Houston Avenue
60 m · 6 sec · East Houston Avenue
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17
Turn left onto South 4th Street
88 m · 9 sec · South 4th Street
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18
Turn right onto East Goliad Avenue
1.6 mi · 3 min · East Goliad Avenue
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19
Turn left
145.2 mi · 2 hr 45 min
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20
Turn left onto State Highway 95
1748 ft · 30 sec · State Highway 95
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21
Turn right onto State Highway 71 East
125 m · 11 sec · State Highway 71 East
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22
Take the ramp slight left toward TX 21 West, TX 71 West
2021 ft · 49 sec
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23
Merge slight left onto State Highway 71 East
2.2 mi · 3 min · State Highway 71 East
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24
Continue straight
1.2 km · 50 sec
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25
Continue straight
17.1 mi · 19 min
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26
Continue on Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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27
Continue on East State Highway 71
2.2 mi · 3 min · East State Highway 71
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28
Take the exit slight right toward US 183 North, 183 Toll North: Lampasas
2773 ft · 1 min
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29
Merge slight left onto Bastrop Highway
2088 ft · 27 sec · Bastrop Highway
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30
Continue on Bergstrom Expressway
1.1 km · 41 sec · Bergstrom Expressway
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31
Take the exit slight right toward Loop 111: Cesar Chavez Street, 5th Street, 6th Street, 7th Street, Airport Boulevard
2724 ft · 54 sec
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32
Keep slight right to continue on Airport Boulevard
1278 ft · 34 sec · Airport Boulevard
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33
Continue on Airport Boulevard
2658 ft · 43 sec · Airport Boulevard
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34
Continue on Ed Bluestein Boulevard
552 ft · 9 sec · Ed Bluestein Boulevard
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35
Take the ramp straight toward 183 Toll South: Lockhart
148 m · 12 sec
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36
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between San Augustine and Montopolis.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn left
145 mi · 02h 45m
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.
Mostly Cloudy then Chance Showers And Thunderstorms leaving San Augustine and Mostly Cloudy near Montopolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Augustine to Montopolis?
The road trip is about 266.8 miles (429.3 km) and usually takes 04h 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?
Madisonville is a useful midpoint, sitting about 132.5 miles from San Augustine and 134.3 miles from Montopolis.
How much longer is the road route than the straight-line distance?
The direct path is about 230.3 miles (370.7 km), while the road route adds roughly 36.5 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 7:58 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.56 one way or $71.12 round trip. Estimated CO2 is about 83.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Showers And Thunderstorms around San Augustine and Mostly Cloudy near Montopolis.
Stop Ideas Near Madisonville
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 Madisonville.
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Flight Path Map
This map shows the direct air route between San Augustine and Montopolis. Straight-line distance: 230.37 mi (370.74 km).
#1 San Augustine
Town of the United States
| Population | 1,865 |
| Coordinates | 31.5299000, -94.1060300 |
| Altitude | 113 |
| Country | United States |
#2 Montopolis
This Travis County community, situated at an elevation of 469 feet, is known for its Colorado River industrial areas.
| Population | 912,791 |
| Coordinates | 30.2432700, -97.6905600 |
| Altitude | 143 |
| Country | United States |
End: 183 Toll (-97.690637, 30.243248)
Estimated Travel Time
Distance: 429 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 53m |
| 40 mph (64.37 km/h) | 06h 40m |
| 50 mph (80.47 km/h) | 05h 20m |
| 60 mph (96.56 km/h) | 04h 26m |
| 70 mph (112.65 km/h) | 03h 48m |
| 80 mph (129 km/h) | 03h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $35.56 | $71.12 |
| Mid-grade | $4.25 | $40.01 | $80.02 |
| Premium | $4.59 | $43.20 | $86.40 |
| Diesel | $3.99 | $37.57 | $75.15 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.