How far is Montopolis, TX from Onalaska, TX?
The driving distance from Montopolis, TX to Onalaska, TX is about 182.4 miles (293.5 km), with a travel time of about 03h 34m by car.
- The straight-line flight distance is about 158.1 miles (254.4 km).
- For a round trip, plan for roughly 07h 08m 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 03h 34m.
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 Collin County, 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 Montopolis and Onalaska.
Turn-by-Turn Driving Directions
Step-by-step road directions between Montopolis and Onalaska.
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1
Start on 183 Toll South: Lockhart
67 m · 5 sec
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2
Merge slight left onto Bergstrom Expressway
1.3 km · 47 sec · Bergstrom Expressway
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3
Continue on Bastrop Highway
2119 ft · 26 sec · Bastrop Highway
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4
Take the exit slight left toward TX 71 East: Austin-Bergstrom International Airport
2541 ft · 1 min
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5
Continue on East State Highway 71
2.2 mi · 3 min · East State Highway 71
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6
Turn straight onto Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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7
Continue on East State Highway 71
2388 ft · 29 sec · East State Highway 71
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8
Continue on Texas State Highway 71
18.9 mi · 22 min · Texas State Highway 71
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9
Take the exit slight right
1067 ft · 26 sec
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10
Turn straight onto College Street
1.4 km · 2 min · College Street
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11
Turn left onto State Highway 95
1945 ft · 35 sec · State Highway 95
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12
Turn right onto Chestnut Street
1.3 km · 1 min · Chestnut Street
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13
Continue on State Highway 21 East
65.2 mi · 1 hr 12 min · State Highway 21 East
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14
Keep slight left
5.5 mi · 7 min
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15
Turn right onto West William J Bryan Parkway
1.6 km · 2 min · West William J Bryan Parkway
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16
Continue on East William J Bryan Parkway
2.2 mi · 4 min · East William J Bryan Parkway
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17
Continue on Boonville Road
3.2 mi · 5 min · Boonville Road
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18
Continue on Farm-to-Market Road 158
1.2 km · 1 min · Farm-to-Market Road 158
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19
Continue straight
49.1 mi · 58 min
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20
Continue straight
27.5 mi · 31 min
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21
Turn right
2173 ft · 60 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Montopolis and Onalaska.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
State Highway 21 East
Continue on State Highway 21 East
65.2 mi · 01h 12m
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 Montopolis and Sunny near Onalaska.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Montopolis to Onalaska?
The road trip is about 182.4 miles (293.5 km) and usually takes 03h 34m 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?
Parker is a useful midpoint, sitting about 91.1 miles from Montopolis and 91.2 miles from Onalaska.
How much longer is the road route than the straight-line distance?
The direct path is about 158.1 miles (254.4 km), while the road route adds roughly 24.3 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 9:52 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.34 one way or $48.67 round trip. Estimated CO2 is about 57.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Montopolis and Sunny near Onalaska.
Stop Ideas Near Parker
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 Parker.
Bryan, TX
Prairie View, TX
Taylor
Temple
Flight Path Map
This map shows the direct air route between Montopolis and Onalaska. Straight-line distance: 158.06 mi (254.37 km).
#1 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 |
#2 Onalaska
City in Polk County, Texas, United States
| Population | 3,167 |
| Coordinates | 30.8057500, -95.1163300 |
| Altitude | 54 |
| Country | United States |
End: Onalaska (-95.11633, 30.80575)
Estimated Travel Time
Distance: 293 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 04m |
| 40 mph (64.37 km/h) | 04h 33m |
| 50 mph (80.47 km/h) | 03h 38m |
| 60 mph (96.56 km/h) | 03h 02m |
| 70 mph (112.65 km/h) | 02h 36m |
| 80 mph (129 km/h) | 02h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $24.34 | $48.67 |
| Mid-grade | $4.25 | $27.38 | $54.77 |
| Premium | $4.59 | $29.57 | $59.13 |
| Diesel | $3.99 | $25.71 | $51.43 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.