How far is Onalaska, TX from Montopolis, TX?
The driving distance from Onalaska, TX to Montopolis, TX is about 185.2 miles (298 km), with a travel time of about 03h 14m by car.
- The straight-line flight distance is about 158.1 miles (254.4 km).
- For a round trip, plan for roughly 06h 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.
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 14m.
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 Onalaska and Montopolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Onalaska and Montopolis.
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1
Start on the route
2173 ft · 1 min
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2
Turn left onto United States Highway 190
28.3 mi · 33 min · United States Highway 190
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3
Continue on 11th Street
1.7 mi · 3 min · 11th Street
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4
Continue on State Highway 30 West
46.6 mi · 54 min · State Highway 30 West
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5
Continue on Farm-to-Market Road 158
1.1 km · 1 min · Farm-to-Market Road 158
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6
Continue on Boonville Road
3.3 mi · 5 min · Boonville Road
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7
Continue on East William J Bryan Parkway
2.2 mi · 4 min · East William J Bryan Parkway
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8
Continue on West William J Bryan Parkway
1.6 km · 2 min · West William J Bryan Parkway
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9
Turn left onto West State Highway 21
71.4 mi · 1 hr 20 min · West State Highway 21
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10
Turn left onto State Highway 95
1748 ft · 30 sec · State Highway 95
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11
Turn right onto State Highway 71 East
125 m · 11 sec · State Highway 71 East
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12
Take the ramp slight left toward TX 21 West, TX 71 West
2021 ft · 49 sec
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13
Merge slight left onto State Highway 71 East
2.2 mi · 3 min · State Highway 71 East
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14
Continue straight
1.2 km · 50 sec
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15
Continue straight
17.1 mi · 19 min
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16
Continue on Bastrop Freeway
1.9 mi · 2 min · Bastrop Freeway
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17
Continue on East State Highway 71
2.2 mi · 3 min · East State Highway 71
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18
Take the exit slight right toward US 183 North, 183 Toll North: Lampasas
2773 ft · 1 min
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19
Merge slight left onto Bastrop Highway
2088 ft · 27 sec · Bastrop Highway
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20
Continue on Bergstrom Expressway
1.1 km · 41 sec · Bergstrom Expressway
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21
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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22
Keep slight right to continue on Airport Boulevard
1278 ft · 34 sec · Airport Boulevard
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23
Continue on Airport Boulevard
2658 ft · 43 sec · Airport Boulevard
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24
Continue on Ed Bluestein Boulevard
552 ft · 9 sec · Ed Bluestein Boulevard
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25
Take the ramp straight toward 183 Toll South: Lockhart
148 m · 12 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Onalaska 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.
West State Highway 21
Turn left onto West State Highway 21
71.4 mi · 01h 20m
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 Onalaska and Mostly Sunny near Montopolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Onalaska to Montopolis?
The road trip is about 185.2 miles (298 km) and usually takes 03h 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?
Parker is a useful midpoint, sitting about 91.8 miles from Onalaska and 93.4 miles from Montopolis.
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 27.1 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 10:30 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.68 one way or $49.35 round trip. Estimated CO2 is about 58 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Onalaska and Mostly Sunny near Montopolis.
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 Onalaska and Montopolis. Straight-line distance: 158.06 mi (254.37 km).
#1 Onalaska
City in Polk County, Texas, United States
| Population | 3,167 |
| Coordinates | 30.8057500, -95.1163300 |
| Altitude | 54 |
| 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: 298 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 10m |
| 40 mph (64.37 km/h) | 04h 37m |
| 50 mph (80.47 km/h) | 03h 42m |
| 60 mph (96.56 km/h) | 03h 05m |
| 70 mph (112.65 km/h) | 02h 38m |
| 80 mph (129 km/h) | 02h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $24.68 | $49.35 |
| Mid-grade | $4.25 | $27.77 | $55.53 |
| Premium | $4.59 | $29.98 | $59.96 |
| Diesel | $3.99 | $26.07 | $52.15 |
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 · 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.