How far is City of Janesville, WI from Platteville, WI?
The driving distance from City of Janesville, WI to Platteville, WI is about 101.7 miles (163.7 km), with a travel time of about 02h 14m by car.
- The straight-line flight distance is about 74.4 miles (119.8 km).
- For a round trip, plan for roughly 04h 28m 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 14m.
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 Dane County, Wisconsin
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Mostly Cloudy
Chance Rain Showers then Partly Sunny
Driving Route Map
The map below follows the saved road route between City of Janesville and Platteville.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and Platteville.
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1
Start on East Court Street
2137 ft · 1 min · East Court Street
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2
Turn right onto South Parker Drive
2 mi · 4 min · South Parker Drive
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3
Continue straight
1.4 mi · 2 min
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4
Turn left
13.1 mi · 18 min
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5
Turn right onto North County Road M
105 m · 8 sec · North County Road M
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6
Continue on County Highway M
1.5 mi · 3 min · County Highway M
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7
Turn left onto North Tupper Road
3151 ft · 54 sec · North Tupper Road
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8
Turn left onto West Bullard Road
1.5 mi · 3 min · West Bullard Road
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9
At the end of the road, turn right onto US Highway 14
3.9 mi · 6 min · US Highway 14
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10
Enter the roundabout and take exit 2 toward US Highway 14
36 m · 10 sec · US Highway 14
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11
Exit the roundabout onto US Highway 14
7.3 mi · 9 min · US Highway 14
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12
Take the exit slight right toward CTH MM: Oregon
942 ft · 23 sec
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13
Keep slight left to continue on CTH MM: Oregon
105 m · 8 sec
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14
Enter the roundabout and take exit 3 toward County Road MM
79 m · 15 sec · County Road MM
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15
Exit the roundabout onto County Road MM
108 m · 20 sec · County Road MM
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16
Enter the roundabout and take exit 1 toward County Road MM
35 m · 3 sec · County Road MM
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17
Exit the roundabout onto County Road MM
606 ft · 18 sec · County Road MM
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18
Turn slight right
12 m · 1 sec
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19
Turn slight right onto County Highway M
7.1 mi · 10 min · County Highway M
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20
Turn slight right
84 m · 12 sec
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21
Turn straight onto County Highway PB
901 ft · 24 sec · County Highway PB
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22
Continue on Old County Road PB
689 ft · 22 sec · Old County Road PB
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23
Turn left onto US 18 West, US 151 South
2685 ft · 1 min
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24
Merge slight left
59.2 mi · 1 hr 8 min
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25
Take the exit slight right toward WI 80, WI 81: Platteville, Lancaster
2184 ft · 55 sec
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26
Turn right onto State Highway 80
1.3 mi · 2 min · State Highway 80
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27
Continue on South Water Street
1912 ft · 1 min · South Water Street
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28
Turn left onto West Pine Street
701 ft · 26 sec · West Pine Street
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29
Turn right onto 3rd Street
122 m · 23 sec · 3rd Street
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30
Turn left onto East Main Street
66 m · 12 sec · East Main Street
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31
Arrive at your destination
0 m · 1 sec · West Main Street
Car Route Details
A richer read on the saved driving route between City of Janesville and Platteville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
US 18 West
Merge slight left
59.2 mi · 01h 08m
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.
Chance Rain Showers then Mostly Cloudy leaving City of Janesville and Chance Rain Showers then Partly Sunny near Platteville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to Platteville?
The road trip is about 101.7 miles (163.7 km) and usually takes 02h 14m 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?
Mount Horeb is a useful midpoint, sitting about 50.8 miles from City of Janesville and 51 miles from Platteville.
How much longer is the road route than the straight-line distance?
The direct path is about 74.4 miles (119.8 km), while the road route adds roughly 27.3 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.54 one way or $27.08 round trip. Estimated CO2 is about 31.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Mostly Cloudy around City of Janesville and Chance Rain Showers then Partly Sunny near Platteville.
Stop Ideas Near Mount Horeb
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 Mount Horeb.
Madison, Wisconsin
Madison (South), Wisconsin
Portage
Janesville, Wisconsin
Flight Path Map
This map shows the direct air route between City of Janesville and Platteville. Straight-line distance: 74.43 mi (119.79 km).
#1 City of Janesville
The most populous city in Rock County, Wisconsin.
| Population | 64,128 |
| Coordinates | 42.6857000, -89.0138500 |
| Altitude | 261 |
| Country | United States |
#2 Platteville
City in Grant County, Wisconsin
| Population | 1,470 |
| Coordinates | 42.7341600, -90.4784600 |
| Altitude | 300 |
| Country | United States |
End: Platteville (-90.47846, 42.73416)
Estimated Travel Time
Distance: 164 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 23m |
| 40 mph (64.37 km/h) | 02h 32m |
| 50 mph (80.47 km/h) | 02h 02m |
| 60 mph (96.56 km/h) | 01h 41m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.54 | $27.08 |
| Mid-grade | $4.25 | $15.27 | $30.54 |
| Premium | $4.65 | $16.71 | $33.42 |
| Diesel | $5.30 | $19.04 | $38.08 |
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 · May 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.