How far is Black River Falls, WI from City of Janesville, WI?
The driving distance from Black River Falls, WI to City of Janesville, WI is about 161.1 miles (259.2 km), with a travel time of about 02h 32m by car.
- The straight-line flight distance is about 144.3 miles (232.3 km).
- For a round trip, plan for roughly 05h 05m 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 32m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in Sauk County, Wisconsin, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers then Chance Rain And Snow Showers
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Black River Falls and City of Janesville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Black River Falls and City of Janesville.
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1
Start on the route
61 m · 20 sec
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2
Turn left onto South 3rd Street
47 m · 9 sec · South 3rd Street
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3
Turn right onto Main Street
1.2 mi · 2 min · Main Street
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4
Take the ramp slight right
2215 ft · 54 sec
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5
Merge slight left
122.4 mi · 2 hr 11 min
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6
Keep slight right to continue on I 39, I 90: Chicago
33.1 mi · 35 min
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7
Take the exit slight right
1240 ft · 30 sec
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8
Keep slight right to continue on WI 26: State Highway 26
1117 ft · 32 sec
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9
Keep slight right to continue on WI 26 South: Janesville
126 m · 10 sec
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10
Turn slight right onto Milton Avenue
2.3 mi · 5 min · Milton Avenue
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11
Turn left onto East Memorial Drive
80 m · 12 sec · East Memorial Drive
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12
Continue on North Garfield Avenue
2552 ft · 2 min · North Garfield Avenue
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13
Turn right onto East Court Street
142 m · 16 sec · East Court Street
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14
Arrive at your destination
0 m · 1 sec · East Court Street
Car Route Details
A richer read on the saved driving route between Black River Falls and City of Janesville.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Main Street
Merge slight left
122 mi · 02h 11m
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 Chance Rain And Snow Showers leaving Black River Falls and Showers And Thunderstorms Likely near City of Janesville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Black River Falls to City of Janesville?
The road trip is about 161.1 miles (259.2 km) and usually takes 02h 32m 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?
Lake Delton is a useful midpoint, sitting about 80.3 miles from Black River Falls and 80.8 miles from City of Janesville.
How much longer is the road route than the straight-line distance?
The direct path is about 144.3 miles (232.3 km), while the road route adds roughly 16.8 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 1:24 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.42 one way or $42.84 round trip. Estimated CO2 is about 50.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers then Chance Rain And Snow Showers around Black River Falls and Showers And Thunderstorms Likely near City of Janesville.
Stop Ideas Near Lake Delton
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 Lake Delton.
Wisconsin Dells
Portage
Westfield, WI
Madison, Wisconsin
Flight Path Map
This map shows the direct air route between Black River Falls and City of Janesville. Straight-line distance: 144.37 mi (232.34 km).
#1 Black River Falls
City in and county seat of Jackson County, Wisconsin
| Population | 3,454 |
| Coordinates | 44.2946800, -90.8515300 |
| Altitude | 242 |
| 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: 259 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 22m |
| 40 mph (64.37 km/h) | 04h 01m |
| 50 mph (80.47 km/h) | 03h 13m |
| 60 mph (96.56 km/h) | 02h 41m |
| 70 mph (112.65 km/h) | 02h 18m |
| 80 mph (129 km/h) | 02h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.42 | $42.84 |
| Mid-grade | $4.25 | $24.16 | $48.31 |
| Premium | $4.65 | $26.43 | $52.87 |
| Diesel | $5.30 | $30.13 | $60.25 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.