How far is Koshkonong, WI from City of Janesville, WI?
The driving distance from Koshkonong, WI to City of Janesville, WI is about 13.6 miles (21.9 km), with a travel time of about 00h 20m by car.
- The straight-line flight distance is about 12.1 miles (19.4 km).
- For a round trip, plan for roughly 00h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 20m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Rock County, Wisconsin
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Koshkonong and City of Janesville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Koshkonong and City of Janesville.
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1
Start on the route
12.7 mi · 19 min
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2
Turn left onto East Memorial Drive
80 m · 12 sec · East Memorial Drive
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3
Continue on North Garfield Avenue
2552 ft · 2 min · North Garfield Avenue
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4
Turn right onto East Court Street
142 m · 16 sec · East Court Street
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5
Arrive at your destination
0 m · 1 sec · East Court Street
Car Route Details
A richer read on the saved driving route between Koshkonong and City of Janesville.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Longest stretch
Start on the route
12.7 mi · 00h 19m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms Likely leaving Koshkonong and Chance Showers And Thunderstorms near City of Janesville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Koshkonong to City of Janesville?
The road trip is about 13.6 miles (21.9 km) and usually takes 00h 20m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Milton is a useful midpoint, sitting about 6.6 miles from Koshkonong and 7 miles from City of Janesville.
How much longer is the road route than the straight-line distance?
The direct path is about 12.1 miles (19.4 km), while the road route adds roughly 1.5 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.81 one way or $3.62 round trip. Estimated CO2 is about 4.3 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Koshkonong and Chance Showers And Thunderstorms near City of Janesville.
Stop Ideas Near Milton
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 Milton.
Janesville, Wisconsin
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Madison (South), Wisconsin
Madison, Wisconsin
Flight Path Map
This map shows the direct air route between Koshkonong and City of Janesville. Straight-line distance: 12.08 mi (19.44 km).
#1 Koshkonong
Civil town in Jefferson County, Wisconsin
| Population | 3,782 |
| Coordinates | 42.8461200, -88.9192800 |
| Altitude | 251 |
| 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: 22 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 27m |
| 40 mph (64.37 km/h) | 00h 20m |
| 50 mph (80.47 km/h) | 00h 16m |
| 60 mph (96.56 km/h) | 00h 13m |
| 70 mph (112.65 km/h) | 00h 11m |
| 80 mph (129 km/h) | 00h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $1.81 | $3.62 |
| Mid-grade | $4.25 | $2.04 | $4.08 |
| Premium | $4.65 | $2.23 | $4.47 |
| Diesel | $5.30 | $2.55 | $5.09 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.