How far is Montopolis, TX from Big Lake, TX?

The driving distance from Montopolis, TX to Big Lake, TX is about 281.9 miles (453.7 km), with a travel time of about 05h 14m by car.

  • The straight-line flight distance is about 233.3 miles (375.5 km).
  • For a round trip, plan for roughly 10h 29m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
281.92 mi
05h 14m
Flight
233.3 mi
375.46 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Montopolis.

Flight Distance

Direct air line
233.3 mi
Kilometers
375.46 km
Flight Time
00h 28m

Driving Distance

Road route
281.92 mi
Kilometers
453.7 km
Drive Time
05h 14m

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 05h 14m.

Arrival Snapshot
Arrive in Big Lake
Thu, Apr 23, 9:24 AM CDT
Return by in Montopolis
Thu, Apr 23, 2:39 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Montopolis
2026-04-23T04:10
Arrive Big Lake
Thu, Apr 23, 9:24 AM CDT
Route Timing
05h 14m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:15 AM to 1:15 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:30 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Montopolis
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Junction
TX

City in Texas, United States

From Montopolis
140.9 mi
02h 37m
To Big Lake
141.1 mi
02h 37m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 10 mph S
Destination
88°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
15 to 20 mph S

Driving Route Map

The map below follows the saved road route between Montopolis and Big Lake.

Turn-by-Turn Driving Directions

Step-by-step road directions between Montopolis and Big Lake.

  1. 1

    Start on 183 Toll South: Lockhart

    67 m · 5 sec

  2. 2

    Merge slight left onto Bergstrom Expressway

    1.3 km · 47 sec · Bergstrom Expressway

  3. 3

    Continue on Bastrop Highway

    1084 ft · 14 sec · Bastrop Highway

  4. 4

    Take the exit slight left toward 183 Toll: Ben White Boulevard

    1 mi · 2 min

  5. 5

    Merge slight right

    6.5 mi · 7 min

  6. 6

    Keep slight left

    6.1 mi · 7 min

  7. 7

    Continue on West US Highway 290 Frontage Rd

    136 m · 6 sec · West US Highway 290 Frontage Rd

  8. 8

    Continue on West US 290 Frontage Rd

    1525 ft · 24 sec · West US 290 Frontage Rd

  9. 9

    Turn straight onto West US 290 Bypass Lanes

    2551 ft · 33 sec · West US 290 Bypass Lanes

  10. 10

    Continue on West US Highway 290

    115 m · 5 sec · West US Highway 290

  11. 11

    Continue on West US Highway 290

    30.4 mi · 37 min · West US Highway 290

  12. 12

    Merge slight left onto South US Highway 281

    5.4 mi · 6 min · South US Highway 281

  13. 13

    Turn left onto East Main Street

    1.1 mi · 2 min · East Main Street

  14. 14

    Continue on West US Highway 290

    27.2 mi · 31 min · West US Highway 290

  15. 15

    Continue on East Main Street

    3.5 mi · 7 min · East Main Street

  16. 16

    Continue on West US Highway 290

    39 mi · 43 min · West US Highway 290

  17. 17

    Take the exit straight toward I 10 West: Fort Stockton

    2748 ft · 1 min

  18. 18

    Merge slight left

    111.2 mi · 1 hr 44 min

  19. 19

    Take the exit slight right toward SH 163: Sterling City, Comstock

    1217 ft · 30 sec

  20. 20

    Continue on 14th Street

    1362 ft · 42 sec · 14th Street

  21. 21

    Turn right onto Avenue E

    1.6 km · 2 min · Avenue E

  22. 22

    Continue on Texas State Highway 163

    28.6 mi · 43 min · Texas State Highway 163

  23. 23

    Turn left onto Reagan Street

    18 mi · 19 min · Reagan Street

  24. 24

    Arrive at your destination

    0 m · 1 sec · East 2nd Street

Car Route Details

A richer read on the saved driving route between Montopolis and Big Lake.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
24 steps
4 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
8.5 / 100 mi
Decision points by distance
Main Roads
I 10 West
112 mi · 40%
West US Highway 290
96.7 mi · 34%
Texas State Highway 163
28.6 mi · 10%
Reagan Street
18 mi · 6%
183 Toll
13.6 mi · 5%
South US Highway 281
5.39 mi · 2%
Longest Stretch

I 10 West

Merge slight left

111 mi · 01h 44m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 14m
Long day trip
Same-Day Return
10h 30m
Round-trip wheel time
Road vs Air
+48.6 mi
233.3 mi direct line
Halfway Stop
Junction
02h 37m from Montopolis
Leave By
6:30 AM CDT
Early departure recommended
Weather Watch

Mostly Cloudy leaving Montopolis and Mostly Sunny near Big Lake.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Montopolis to Big Lake?

The road trip is about 281.9 miles (453.7 km) and usually takes 05h 14m 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 140.9 miles from Montopolis and 141.1 miles from Big Lake.

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 48.6 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 6:30 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $37.60 one way or $75.20 round trip. Estimated CO2 is about 88.4 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Montopolis and Mostly Sunny near Big Lake.

Flight Path Map

This map shows the direct air route between Montopolis and Big Lake. Straight-line distance: 233.3 mi (375.46 km).

Photo coming soon

#1 Montopolis

This Travis County community, situated at an elevation of 469 feet, is known for its Colorado River industrial areas.

Population912,791
Coordinates30.2432700, -97.6905600
Altitude143
CountryUnited States
Photo coming soon

#2 Big Lake

City in Texas, USA

Population3,348
Coordinates31.1915400, -101.4603900
Altitude820
CountryUnited States
Start: Montopolis (-97.69056, 30.24327)
End: Big Lake (-101.46039, 31.19154)

Estimated Travel Time

Distance: 454 km by road

SpeedTime
30 mph (48.3 km/h)09h 23m
40 mph (64.37 km/h)07h 02m
50 mph (80.47 km/h)05h 38m
60 mph (96.56 km/h)04h 41m
70 mph (112.65 km/h)04h 01m
80 mph (129 km/h)03h 31m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.95 gal
37.66 L · about $37.60
Round trip
$75.20
19.9 gal · 75.32 L
Estimated CO2
88.4 kg one way
Round trip: 176.9 kg / 390 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.78 $37.60 $75.20
Mid-grade $4.25 $42.31 $84.61
Premium $4.59 $45.68 $91.36
Diesel $3.99 $39.73 $79.46

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

There is no time difference between Montopolis and Big Lake. The current time is 04:10:00.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.