How far is Prairie du Chien, WI from City of Janesville, WI?
The driving distance from Prairie du Chien, WI to City of Janesville, WI is about 129.7 miles (208.8 km), with a travel time of about 02h 25m by car.
- The straight-line flight distance is about 110.7 miles (178.1 km).
- For a round trip, plan for roughly 04h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 25m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Village in Iowa County, Wisconsin, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Prairie du Chien and City of Janesville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prairie du Chien and City of Janesville.
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1
Start on South Marquette Road
124 m · 10 sec · South Marquette Road
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2
Enter the roundabout and take exit 2 toward South Marquette Road
43 m · 3 sec · South Marquette Road
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3
Exit the roundabout onto South Marquette Road
104 m · 8 sec · South Marquette Road
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4
Enter the roundabout and take exit 1 toward South Marquette Road
37 m · 3 sec · South Marquette Road
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5
Exit the roundabout onto South Marquette Road
1.7 mi · 4 min · South Marquette Road
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6
Continue on Great River Road
12.3 mi · 17 min · Great River Road
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7
Continue straight
15.3 mi · 21 min
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8
Turn right onto Lincoln Avenue
2685 ft · 2 min · Lincoln Avenue
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9
Turn left onto 12th Street
2616 ft · 1 min · 12th Street
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10
Continue on US Highway 18
15.6 mi · 22 min · US Highway 18
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11
Continue on West Main Street
1.3 mi · 3 min · West Main Street
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12
Continue on US Highway 18
8.4 mi · 12 min · US Highway 18
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13
Continue on Dodgeville Expressway
2 mi · 3 min · Dodgeville Expressway
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14
Enter the roundabout and take exit 2 toward Dodgeville Expressway
45 m · 6 sec · Dodgeville Expressway
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15
Exit the roundabout onto Dodgeville Expressway
1699 ft · 26 sec · Dodgeville Expressway
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16
Keep slight left
32.3 mi · 38 min
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17
Take the exit slight right toward CTH PB: Military Ridge State Trail, Ice Age National Scenic Trail
2396 ft · 59 sec
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18
Keep slight right
43 m · 4 sec
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19
Turn straight onto County Highway PB
866 ft · 28 sec · County Highway PB
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20
Turn left onto County Highway M
7.1 mi · 11 min · County Highway M
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21
Turn straight
31 m · 3 sec
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22
Turn slight left
126 m · 10 sec
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23
Take the ramp slight right
2052 ft · 50 sec
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24
Merge slight left
7.1 mi · 9 min
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25
Enter the roundabout and take exit 2 toward US Highway 14
35 m · 10 sec · US Highway 14
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26
Exit the roundabout onto US Highway 14
3.9 mi · 6 min · US Highway 14
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27
Turn left onto West Bullard Road
1.5 mi · 3 min · West Bullard Road
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28
Turn right onto North Tupper Road
3151 ft · 50 sec · North Tupper Road
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29
Turn right onto County Highway M
1.6 mi · 3 min · County Highway M
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30
Turn left onto US Highway 14
13.1 mi · 18 min · US Highway 14
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31
Turn right
3.4 mi · 6 min
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32
Turn left onto East Court Street
2137 ft · 1 min · East Court Street
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33
Arrive at your destination
0 m · 1 sec · East Court Street
Car Route Details
A richer read on the saved driving route between Prairie du Chien and City of Janesville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dodgeville Expressway
Keep slight left
32.3 mi · 00h 38m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Prairie du Chien and Sunny near City of Janesville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Prairie du Chien to City of Janesville?
The road trip is about 129.7 miles (208.8 km) and usually takes 02h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Ridgeway is a useful midpoint, sitting about 65.1 miles from Prairie du Chien and 64.7 miles from City of Janesville.
How much longer is the road route than the straight-line distance?
The direct path is about 110.7 miles (178.1 km), while the road route adds roughly 19 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 1:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.27 one way or $34.54 round trip. Estimated CO2 is about 40.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Prairie du Chien and Sunny near City of Janesville.
Stop Ideas Near Ridgeway
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 Ridgeway.
Madison, Wisconsin
Madison (South), Wisconsin
Wisconsin Dells
Portage
Flight Path Map
This map shows the direct air route between Prairie du Chien and City of Janesville. Straight-line distance: 110.65 mi (178.08 km).
#1 Prairie du Chien
County seat of Crawford County, Wisconsin, United States
| Population | 1,010 |
| Coordinates | 43.0516500, -91.1412400 |
| Altitude | 195 |
| Country | United States |
#2 City of Janesville
The most populous city in Rock County, Wisconsin.
| Population | 64,128 |
| Coordinates | 42.6857000, -89.0138500 |
| Altitude | 261 |
| Country | United States |
End: East Court Street (-89.013903, 42.685777)
Estimated Travel Time
Distance: 209 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 19m |
| 40 mph (64.37 km/h) | 03h 14m |
| 50 mph (80.47 km/h) | 02h 35m |
| 60 mph (96.56 km/h) | 02h 09m |
| 70 mph (112.65 km/h) | 01h 51m |
| 80 mph (129 km/h) | 01h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $17.27 | $34.54 |
| Mid-grade | $4.25 | $19.48 | $38.96 |
| Premium | $4.65 | $21.32 | $42.63 |
| Diesel | $5.30 | $24.29 | $48.58 |
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 Wisconsin · 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.