How far is Big Lake, TX from Montopolis, TX?
The driving distance from Big Lake, TX to Montopolis, TX is about 270.7 miles (435.6 km), with a travel time of about 04h 36m by car.
- The straight-line flight distance is about 233.3 miles (375.5 km).
- For a round trip, plan for roughly 09h 13m 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 36m.
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
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Big Lake and Montopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Big Lake and Montopolis.
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1
Start on East 2nd Street
18 mi · 19 min · East 2nd Street
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2
Turn right onto Main Street
28.6 mi · 42 min · Main Street
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3
Continue on Avenue E
1 mi · 2 min · Avenue E
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4
Turn left onto 15th Street
1577 ft · 30 sec · 15th Street
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5
Take the ramp straight toward I 10 East: San Antonio
716 ft · 18 sec
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6
Merge slight left
110.7 mi · 1 hr 44 min
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7
Take the exit slight right toward US 290 East: Fredericksburg
1.1 mi · 2 min
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8
Continue on US Highway 290
39 mi · 42 min · US Highway 290
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9
Continue on West Main Street
3.5 mi · 8 min · West Main Street
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10
Continue on East US Highway 290
27.2 mi · 31 min · East US Highway 290
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11
Continue on West Main Street
1 mi · 2 min · West Main Street
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12
Take the exit slight right
724 ft · 19 sec
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13
Merge slight left onto South US Highway 281
5.4 mi · 6 min · South US Highway 281
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14
Turn slight left onto East US Highway 290
30.9 mi · 38 min · East US Highway 290
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15
Continue on West US Highway 290
1424 ft · 18 sec · West US Highway 290
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16
Take the exit slight left
892 ft · 22 sec
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17
Continue on West US Highway 290
2 mi · 2 min · West US Highway 290
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18
Continue straight
11.1 mi · 12 min
-
19
Take the exit slight right toward US 183 North
1241 ft · 53 sec
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20
Merge slight left
1.4 km · 59 sec
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21
Continue on Bergstrom Expressway
1.1 km · 41 sec · Bergstrom Expressway
-
22
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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23
Keep slight right to continue on Airport Boulevard
1278 ft · 34 sec · Airport Boulevard
-
24
Continue on Airport Boulevard
2658 ft · 43 sec · Airport Boulevard
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25
Continue on Ed Bluestein Boulevard
552 ft · 9 sec · Ed Bluestein Boulevard
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26
Take the ramp straight toward 183 Toll South: Lockhart
148 m · 12 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Big Lake and Montopolis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 10 East
Merge slight left
111 mi · 01h 44m
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 Sunny leaving Big Lake and Chance Showers And Thunderstorms near Montopolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Big Lake to Montopolis?
The road trip is about 270.7 miles (435.6 km) and usually takes 04h 36m 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?
Junction is a useful midpoint, sitting about 141.9 miles from Big Lake and 128.8 miles from Montopolis.
How much longer is the road route than the straight-line distance?
The direct path is about 233.3 miles (375.5 km), while the road route adds roughly 37.4 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 7:46 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $36.09 one way or $72.18 round trip. Estimated CO2 is about 84.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Big Lake and Chance Showers And Thunderstorms near Montopolis.
Flight Path Map
This map shows the direct air route between Big Lake and Montopolis. Straight-line distance: 233.3 mi (375.46 km).
#1 Big Lake
City in Texas, USA
| Population | 3,348 |
| Coordinates | 31.1915400, -101.4603900 |
| Altitude | 820 |
| 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: 436 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 01m |
| 40 mph (64.37 km/h) | 06h 46m |
| 50 mph (80.47 km/h) | 05h 24m |
| 60 mph (96.56 km/h) | 04h 30m |
| 70 mph (112.65 km/h) | 03h 52m |
| 80 mph (129 km/h) | 03h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $36.09 | $72.18 |
| Mid-grade | $4.25 | $40.61 | $81.21 |
| Premium | $4.59 | $43.84 | $87.69 |
| Diesel | $3.99 | $38.13 | $76.27 |
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.