How far is Grantsburg, WI from City of Janesville, WI?

The driving distance from Grantsburg, WI to City of Janesville, WI is about 324 miles (521.4 km), with a travel time of about 05h 12m by car.

  • The straight-line flight distance is about 280.3 miles (451.1 km).
  • For a round trip, plan for roughly 10h 25m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
324 mi
05h 12m
Flight
280.28 mi
451.06 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Grantsburg.

Flight Distance

Direct air line
280.28 mi
Kilometers
451.06 km
Flight Time
00h 33m

Driving Distance

Road route
324 mi
Kilometers
521.42 km
Drive Time
05h 12m

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 05h 12m.

Arrival Snapshot
Arrive in City of Janesville
Wed, May 13, 3:26 AM CDT
Return by in Grantsburg
Wed, May 13, 8:38 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Grantsburg
2026-05-12T22:13
Arrive City of Janesville
Wed, May 13, 3:26 AM CDT
Route Timing
05h 12m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:13 AM to 1:13 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:34 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Grantsburg
9:00 PM CDT
Early departure recommended

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
Black River Falls
WI

City in and county seat of Jackson County, Wisconsin

From Grantsburg
164.7 mi
02h 36m
To City of Janesville
159.3 mi
02h 36m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Tuesday

Rain Showers Likely then Mostly Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
10 to 20 mph W
Destination
74°F
Tuesday

Chance Showers And Thunderstorms

Starts
Tue, May 12 6:00 AM CDT
Wind
10 to 20 mph SW

Driving Route Map

The map below follows the saved road route between Grantsburg and City of Janesville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Grantsburg and City of Janesville.

  1. 1

    Start on West Wisconsin Avenue

    53 m · 10 sec · West Wisconsin Avenue

  2. 2

    Turn right onto County Road F

    1334 ft · 34 sec · County Road F

  3. 3

    Turn left onto State Highway 70

    15 mi · 22 min · State Highway 70

  4. 4

    Turn left onto State Highway 35

    2.5 mi · 4 min · State Highway 35

  5. 5

    Enter the roundabout and take exit 1 toward State Highway 70

    40 m · 8 sec · State Highway 70

  6. 6

    Exit the roundabout onto State Highway 70

    22.7 mi · 31 min · State Highway 70

  7. 7

    Continue on West Maple Street

    1.6 mi · 3 min · West Maple Street

  8. 8

    Continue on State Highway 70

    1.6 km · 1 min · State Highway 70

  9. 9

    Take the exit right toward US 53 South: Rice Lake

    1986 ft · 54 sec

  10. 10

    Merge slight left

    81 mi · 1 hr 31 min

  11. 11

    Turn straight onto US 53 South: Brackett

    1257 ft · 21 sec

  12. 12

    Enter the roundabout and take exit 4 toward the route

    115 m · 6 sec

  13. 13

    Exit the roundabout

    135 m · 9 sec

  14. 14

    Take the ramp right

    2643 ft · 1 min

  15. 15

    Merge slight left

    167.8 mi · 3 hr

  16. 16

    Keep slight right to continue on I 39, I 90: Chicago

    33.1 mi · 35 min

  17. 17

    Take the exit slight right

    1240 ft · 30 sec

  18. 18

    Keep slight right to continue on WI 26: State Highway 26

    1117 ft · 32 sec

  19. 19

    Keep slight right to continue on WI 26 South: Janesville

    126 m · 10 sec

  20. 20

    Turn slight right onto Milton Avenue

    2.3 mi · 5 min · Milton Avenue

  21. 21

    Turn left onto East Memorial Drive

    80 m · 12 sec · East Memorial Drive

  22. 22

    Continue on North Garfield Avenue

    2552 ft · 2 min · North Garfield Avenue

  23. 23

    Turn right onto East Court Street

    142 m · 16 sec · East Court Street

  24. 24

    Arrive at your destination

    0 m · 1 sec · East Court Street

Car Route Details

A richer read on the saved driving route between Grantsburg and City of Janesville.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
24 steps
11 turns on the saved route
Ramps & Exits
9
2 merges, 7 ramps or exits
Navigation Density
7.4 / 100 mi
Decision points by distance
Main Roads
US 53 South
250 mi · 77%
State Highway 70
38.7 mi · 12%
I 39
33.3 mi · 10%
State Highway 35
2.51 mi · 1%
Milton Avenue
2.35 mi · 1%
West Maple Street
1.57 mi
Longest Stretch

US 53 South

Merge slight left

168 mi · 03h 00m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
05h 12m
Long day trip
Same-Day Return
10h 26m
Round-trip wheel time
Road vs Air
+43.7 mi
280.3 mi direct line
Halfway Stop
Black River Falls
02h 36m from Grantsburg
Leave By
6:34 AM CDT
Early departure recommended
Weather Watch

Rain Showers Likely then Mostly Sunny leaving Grantsburg 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 Grantsburg to City of Janesville?

The road trip is about 324 miles (521.4 km) and usually takes 05h 12m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Black River Falls is a useful midpoint, sitting about 164.7 miles from Grantsburg and 159.3 miles from City of Janesville.

How much longer is the road route than the straight-line distance?

The direct path is about 280.3 miles (451.1 km), while the road route adds roughly 43.7 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 6:34 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $43.10 one way or $86.21 round trip. Estimated CO2 is about 101.6 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely then Mostly Sunny around Grantsburg and Chance Showers And Thunderstorms near City of Janesville.

Stop Ideas Near Black River Falls

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

Mid-route Guidance
Local place coverage is thin around Black River Falls, 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 Black River Falls.

RAIL

Tomah

44 mi away
North Superior Ave. and Washington St.
RAIL

La Crosse

60 mi away
St. Andrew and Caledonia Streets
RAIL

Winona station

69 mi away
65 East Mark Street
BUS

Stanley, WI

73 mi away
604 South Broadway Street

Flight Path Map

This map shows the direct air route between Grantsburg and City of Janesville. Straight-line distance: 280.28 mi (451.06 km).

Grantsburg

#1 Grantsburg

Village in Burnett County, Wisconsin, United States

Population1,155
Coordinates45.7763400, -92.6827000
Altitude291
CountryUnited States
City of Janesville

#2 City of Janesville

The most populous city in Rock County, Wisconsin.

Population64,128
Coordinates42.6857000, -89.0138500
Altitude261
CountryUnited States
Start: West Wisconsin Avenue (-92.682702, 45.776595)
End: East Court Street (-89.013903, 42.685777)

Estimated Travel Time

Distance: 521 km by road

SpeedTime
30 mph (48.3 km/h)10h 47m
40 mph (64.37 km/h)08h 06m
50 mph (80.47 km/h)06h 28m
60 mph (96.56 km/h)05h 23m
70 mph (112.65 km/h)04h 37m
80 mph (129 km/h)04h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.43 gal
43.28 L · about $43.10
Round trip
$86.21
22.86 gal · 86.56 L
Estimated CO2
101.6 kg one way
Round trip: 203.2 kg / 448 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $43.10 $86.21
Mid-grade $4.25 $48.61 $97.22
Premium $4.65 $53.20 $106.39
Diesel $5.30 $60.62 $121.25

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 · May 13, 2026

There is no time difference between Grantsburg and City of Janesville. The current time is 22:13:33.

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.