How far is City of Janesville, WI from Black River Falls, WI?

The driving distance from City of Janesville, WI to Black River Falls, WI is about 161.3 miles (259.6 km), with a travel time of about 02h 59m by car.

  • The straight-line flight distance is about 144.3 miles (232.3 km).
  • For a round trip, plan for roughly 05h 59m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
161.28 mi
02h 59m
Flight
144.37 mi
232.34 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from City of Janesville.

Flight Distance

Direct air line
144.37 mi
Kilometers
232.34 km
Flight Time
00h 17m

Driving Distance

Road route
161.28 mi
Kilometers
259.55 km
Drive Time
02h 59m

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 59m.

Arrival Snapshot
Arrive in Black River Falls
Sat, Apr 18, 1:50 PM CDT
Return by in City of Janesville
Sat, Apr 18, 4:49 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave City of Janesville
2026-04-18T10:50
Arrive Black River Falls
Sat, Apr 18, 1:50 PM CDT
Route Timing
02h 59m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
11:00 AM to 1:00 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:30 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in City of Janesville
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Lake Delton
WI

Village in Sauk County, Wisconsin, United States

From City of Janesville
80.6 mi
01h 29m
To Black River Falls
80.7 mi
01h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Saturday

Showers And Thunderstorms Likely

Starts
Sat, Apr 18 6:00 AM CDT
Wind
10 to 15 mph W
Destination
44°F
Saturday

Chance Rain Showers then Chance Rain And Snow Showers

Starts
Sat, Apr 18 6:00 AM CDT
Wind
10 to 15 mph NW

Driving Route Map

The map below follows the saved road route between City of Janesville and Black River Falls.

Turn-by-Turn Driving Directions

Step-by-step road directions between City of Janesville and Black River Falls.

  1. 1

    Start on East Court Street

    45 m · 6 sec · East Court Street

  2. 2

    Turn right onto Harrison Street

    156 m · 27 sec · Harrison Street

  3. 3

    Turn left onto East Milwaukee Street

    841 ft · 21 sec · East Milwaukee Street

  4. 4

    Turn sharp right onto Milton Avenue

    3.1 mi · 7 min · Milton Avenue

  5. 5

    Take the exit slight left

    1.3 km · 2 min

  6. 6

    Merge slight left

    61.3 mi · 1 hr 6 min

  7. 7

    Keep slight left

    63.5 mi · 1 hr 8 min

  8. 8

    Keep slight right to continue on I 94 West: Eau Claire, Saint Paul

    30.5 mi · 33 min

  9. 9

    Take the exit slight right toward WI 54, I 94 Alternate: Wisconsin Rapids, Black River Falls

    1239 ft · 30 sec

  10. 10

    Keep slight left

    39 m · 5 sec

  11. 11

    Turn left onto East Main Street

    1.5 mi · 3 min · East Main Street

  12. 12

    Turn left onto South 3rd Street

    47 m · 9 sec · South 3rd Street

  13. 13

    Turn right

    61 m · 15 sec

  14. 14

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between City of Janesville and Black River Falls.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
14 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
8.7 / 100 mi
Decision points by distance
Main Roads
Milton Avenue
129 mi · 80%
I 94 West
30.5 mi · 19%
East Main Street
1.47 mi · 1%
WI 54
0.26 mi
East Milwaukee Street
0.16 mi
Harrison Street
0.1 mi
Longest Stretch

Milton Avenue

Keep slight left

63.5 mi · 01h 08m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 59m
Day trip friendly
Same-Day Return
06h 00m
Round-trip wheel time
Road vs Air
+17 mi
144.3 mi direct line
Halfway Stop
Lake Delton
01h 29m from City of Janesville
Leave By
12:30 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms Likely leaving City of Janesville and Chance Rain Showers then Chance Rain And Snow Showers near Black River Falls.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from City of Janesville to Black River Falls?

The road trip is about 161.3 miles (259.6 km) and usually takes 02h 59m 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 80.6 miles from City of Janesville and 80.7 miles from Black River Falls.

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 17 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 12:30 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $21.46 one way or $42.91 round trip. Estimated CO2 is about 50.6 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms Likely around City of Janesville and Chance Rain Showers then Chance Rain And Snow Showers near Black River Falls.

Stop Ideas Near Lake Delton

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Lake Delton, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lake Delton.

RAIL

Wisconsin Dells

3 mi away
Superior and La Crosse Sts.
RAIL

Portage

27 mi away
400 West Oneida Street
BUS

Westfield, WI

40 mi away
244 North Pioneer Park Road
BUS

Madison, Wisconsin

67 mi away
800 Langdon St.

Flight Path Map

This map shows the direct air route between City of Janesville and Black River Falls. Straight-line distance: 144.37 mi (232.34 km).

City of Janesville

#1 City of Janesville

The most populous city in Rock County, Wisconsin.

Population64,128
Coordinates42.6857000, -89.0138500
Altitude261
CountryUnited States
Black River Falls

#2 Black River Falls

City in and county seat of Jackson County, Wisconsin

Population3,454
Coordinates44.2946800, -90.8515300
Altitude242
CountryUnited States
Start: City of Janesville (-89.01385, 42.6857)
End: Black River Falls (-90.85153, 44.29468)

Estimated Travel Time

Distance: 260 km by road

SpeedTime
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.

One-way fuel
5.69 gal
21.54 L · about $21.46
Round trip
$42.91
11.38 gal · 43.08 L
Estimated CO2
50.6 kg one way
Round trip: 101.1 kg / 223 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $21.46 $42.91
Mid-grade $4.25 $24.20 $48.40
Premium $4.65 $26.48 $52.96
Diesel $5.30 $30.18 $60.36

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

There is no time difference between City of Janesville and Black River Falls. The current time is 10:50:36.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.