How far is Green Lake, WI from City of Janesville, WI?

The driving distance from Green Lake, WI to City of Janesville, WI is about 101.6 miles (163.5 km), with a travel time of about 01h 50m by car.

  • The straight-line flight distance is about 80.1 miles (128.9 km).
  • For a round trip, plan for roughly 03h 41m 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
101.58 mi
01h 50m
Flight
80.09 mi
128.89 km direct

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

Learn Distance

Choose another destination from Green Lake.

Flight Distance

Direct air line
80.09 mi
Kilometers
128.89 km
Flight Time
00h 09m

Driving Distance

Road route
101.58 mi
Kilometers
163.47 km
Drive Time
01h 50m

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 01h 50m.

Arrival Snapshot
Arrive in City of Janesville
Thu, Jun 11, 11:27 PM CDT
Return by in Green Lake
Fri, Jun 12, 1:18 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Green Lake
2026-06-11T21:36
Arrive City of Janesville
Thu, Jun 11, 11:27 PM CDT
Route Timing
01h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:51 AM to 11:51 AM CDT

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

Leave by
2:48 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Green Lake
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
Marshall
WI

Village in Dane County, Wisconsin

From Green Lake
51.6 mi
00h 55m
To City of Janesville
50 mi
00h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Thursday

Showers And Thunderstorms

Starts
Thu, Jun 11 6:00 AM CDT
Wind
5 to 15 mph S
Destination
86°F
Thursday

Showers And Thunderstorms

Starts
Thu, Jun 11 6:00 AM CDT
Wind
0 to 15 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Bayview Court

    15 m · 8 sec · Bayview Court

  2. 2

    Turn left onto South Street

    650 ft · 19 sec · South Street

  3. 3

    Turn left onto South Lawson Drive

    1.4 mi · 3 min · South Lawson Drive

  4. 4

    At the end of the road, turn left onto State Highway 23

    4.6 mi · 6 min · State Highway 23

  5. 5

    Turn left onto State Highway 73

    9.9 mi · 17 min · State Highway 73

  6. 6

    Continue on State Highway 44

    1.4 mi · 3 min · State Highway 44

  7. 7

    Turn right onto State Highway 73

    10.2 mi · 18 min · State Highway 73

  8. 8

    Continue on North High Street

    1.2 mi · 2 min · North High Street

  9. 9

    Continue on State Highway 73

    719 ft · 14 sec · State Highway 73

  10. 10

    Continue on Kienow Drive

    1327 ft · 26 sec · Kienow Drive

  11. 11

    Continue on State Highway 73

    12.4 mi · 17 min · State Highway 73

  12. 12

    Take the ramp right

    1925 ft · 47 sec

  13. 13

    Merge slight left

    22.3 mi · 24 min

  14. 14

    Take the exit slight right toward I 39 South, I 90 East, I 94 East: Chicago, Milwaukee

    2195 ft · 53 sec

  15. 15

    Keep slight left

    1937 ft · 47 sec

  16. 16

    Merge slight left

    1.5 mi · 2 min

  17. 17

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

    33.1 mi · 35 min

  18. 18

    Take the exit slight right

    1240 ft · 30 sec

  19. 19

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

    1117 ft · 32 sec

  20. 20

    Keep slight right to continue on WI 26 South: Janesville

    126 m · 10 sec

  21. 21

    Turn slight right onto Milton Avenue

    2.3 mi · 5 min · Milton Avenue

  22. 22

    Turn left onto East Memorial Drive

    80 m · 12 sec · East Memorial Drive

  23. 23

    Continue on North Garfield Avenue

    2552 ft · 2 min · North Garfield Avenue

  24. 24

    Turn right onto East Court Street

    142 m · 16 sec · East Court Street

  25. 25

    Arrive at your destination

    0 m · 1 sec · East Court Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
25 steps
8 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
24.6 / 100 mi
Decision points by distance
Main Roads
State Highway 73
55.4 mi · 55%
I 39
33.3 mi · 33%
State Highway 23
4.64 mi · 5%
Milton Avenue
2.35 mi · 2%
I 39 South
2.28 mi · 2%
State Highway 44
1.44 mi · 1%
Longest Stretch

I 39

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

33.1 mi · 00h 35m

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
01h 50m
Day trip friendly
Same-Day Return
03h 42m
Round-trip wheel time
Road vs Air
+21.5 mi
80.1 mi direct line
Halfway Stop
Marshall
00h 55m from Green Lake
Leave By
2:48 PM CDT
Morning start is best
Weather Watch

Showers And Thunderstorms leaving Green Lake and 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 Green Lake to City of Janesville?

The road trip is about 101.6 miles (163.5 km) and usually takes 01h 50m 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?

Marshall is a useful midpoint, sitting about 51.6 miles from Green Lake and 50 miles from City of Janesville.

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

The direct path is about 80.1 miles (128.9 km), while the road route adds roughly 21.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:48 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.50 one way or $27.00 round trip. Estimated CO2 is about 31.8 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Green Lake and Showers And Thunderstorms near City of Janesville.

Stop Ideas Near Marshall

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

Mid-route Guidance
Local place coverage is thin around Marshall, 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 Marshall.

RAIL

Columbus

20 mi away
359 North Ludington Street
BUS

Madison (South), Wisconsin

24 mi away
Hwy 51 & East Broadway Ave.
BUS

Madison, Wisconsin

29 mi away
800 Langdon St.
BUS

Beaver Dam, WI

38 mi away
817 Park Avenue

Flight Path Map

This map shows the direct air route between Green Lake and City of Janesville. Straight-line distance: 80.09 mi (128.89 km).

Green Lake

#1 Green Lake

City in and county seat of Green Lake County, Wisconsin

Population1,176
Coordinates43.8441500, -88.9601100
Altitude245
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: South Street (-88.960109, 43.844238)
End: East Court Street (-89.013903, 42.685777)

Estimated Travel Time

Distance: 163 km by road

SpeedTime
30 mph (48.3 km/h)03h 23m
40 mph (64.37 km/h)02h 32m
50 mph (80.47 km/h)02h 01m
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.

One-way fuel
3.58 gal
13.57 L · about $13.50
Round trip
$27.00
7.16 gal · 27.14 L
Estimated CO2
31.8 kg one way
Round trip: 63.6 kg / 140 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $13.50 $27.00
Mid-grade $4.25 $15.23 $30.45
Premium $4.65 $16.66 $33.32
Diesel $5.30 $18.99 $37.98

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 · Jun 12, 2026

There is no time difference between Green Lake and City of Janesville. The current time is 21:36:53.

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.