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

The driving distance from Lake Tomahawk, WI to City of Janesville, WI is about 242.6 miles (390.4 km), with a travel time of about 03h 50m by car.

  • The straight-line flight distance is about 218 miles (350.9 km).
  • For a round trip, plan for roughly 07h 40m 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
242.6 mi
03h 50m
Flight
218.05 mi
350.91 km direct

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

Learn Distance

Choose another destination from Lake Tomahawk.

Flight Distance

Direct air line
218.05 mi
Kilometers
350.91 km
Flight Time
00h 26m

Driving Distance

Road route
242.6 mi
Kilometers
390.42 km
Drive Time
03h 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 03h 50m.

Arrival Snapshot
Arrive in City of Janesville
Mon, May 4, 11:26 PM CDT
Return by in Lake Tomahawk
Tue, May 5, 3:16 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lake Tomahawk
2026-05-04T19:35
Arrive City of Janesville
Mon, May 4, 11:26 PM CDT
Route Timing
03h 50m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:50 AM to 11:50 AM CDT

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

Leave by
9:20 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Lake Tomahawk
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
Plainfield
WI

Village in Waushara County, Wisconsin, United States

From Lake Tomahawk
121 mi
01h 55m
To City of Janesville
121.6 mi
01h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
64°F
Monday

Chance Rain Showers

Starts
Mon, May 4 6:00 AM CDT
Wind
10 to 14 mph W
Destination
75°F
Monday

Sunny then Chance Showers And Thunderstorms

Starts
Mon, May 4 6:00 AM CDT
Wind
5 to 15 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Lilly Street

    27 m · 9 sec · Lilly Street

  2. 2

    Turn left onto Violet Drive

    52 m · 9 sec · Violet Drive

  3. 3

    Turn right onto Bradley Street

    1.2 km · 1 min · Bradley Street

  4. 4

    Turn right onto County Road D

    7.6 mi · 13 min · County Road D

  5. 5

    At the end of the road, turn left

    64.4 mi · 1 hr 18 min

  6. 6

    Keep slight left to continue on I 39 South, US 51 South: Stevens Point, Madison

    22.5 mi · 24 min

  7. 7

    Continue straight

    7.4 mi · 8 min

  8. 8

    Continue straight

    73.1 mi · 1 hr 18 min

  9. 9

    Keep slight right

    29.6 mi · 32 min

  10. 10

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

    33.1 mi · 35 min

  11. 11

    Take the exit slight right

    1240 ft · 30 sec

  12. 12

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

    1117 ft · 32 sec

  13. 13

    Keep slight right to continue on WI 26 South: Janesville

    126 m · 10 sec

  14. 14

    Turn slight right onto Milton Avenue

    2.3 mi · 5 min · Milton Avenue

  15. 15

    Turn left onto East Memorial Drive

    80 m · 12 sec · East Memorial Drive

  16. 16

    Continue on North Garfield Avenue

    2552 ft · 2 min · North Garfield Avenue

  17. 17

    Turn right onto East Court Street

    142 m · 16 sec · East Court Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · East Court Street

Car Route Details

A richer read on the saved driving route between Lake Tomahawk 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
18 steps
7 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
7.4 / 100 mi
Decision points by distance
Main Roads
I 39 South
133 mi · 55%
I 39
33.3 mi · 14%
County Road D
7.56 mi · 3%
Milton Avenue
2.35 mi · 1%
Bradley Street
0.78 mi
North Garfield Avenue
0.48 mi
Longest Stretch

I 39 South

Continue straight

73.1 mi · 01h 18m

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
03h 50m
Long day trip
Same-Day Return
07h 40m
Round-trip wheel time
Road vs Air
+24.6 mi
218 mi direct line
Halfway Stop
Plainfield
01h 55m from Lake Tomahawk
Leave By
9:20 AM CDT
Early departure recommended
Weather Watch

Chance Rain Showers leaving Lake Tomahawk and Sunny then 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 Lake Tomahawk to City of Janesville?

The road trip is about 242.6 miles (390.4 km) and usually takes 03h 50m 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?

Plainfield is a useful midpoint, sitting about 121 miles from Lake Tomahawk and 121.6 miles from City of Janesville.

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

The direct path is about 218 miles (350.9 km), while the road route adds roughly 24.6 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 9:20 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $32.28 one way or $64.56 round trip. Estimated CO2 is about 76.1 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Lake Tomahawk and Sunny then Chance Showers And Thunderstorms near City of Janesville.

Stop Ideas Near Plainfield

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

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

BUS

Waupaca, Wisconsin

34 mi away
1222 West Fulton St.
BUS

Wisconsin Rapids, WI

35 mi away
2611 West Grand Avenue
BUS

Westfield, WI

36 mi away
244 North Pioneer Park Road
BUS

Stevens Point, Wisconsin

36 mi away
200 Division St.

Flight Path Map

This map shows the direct air route between Lake Tomahawk and City of Janesville. Straight-line distance: 218.05 mi (350.91 km).

Photo coming soon

#1 Lake Tomahawk

Human settlement in Oneida County, Wisconsin, United States of America

Population1,037
Coordinates45.8141200, -89.5937500
Altitude500
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: Lilly Street (-89.593694, 45.814146)
End: East Court Street (-89.013903, 42.685777)

Estimated Travel Time

Distance: 390 km by road

SpeedTime
30 mph (48.3 km/h)08h 04m
40 mph (64.37 km/h)06h 03m
50 mph (80.47 km/h)04h 51m
60 mph (96.56 km/h)04h 02m
70 mph (112.65 km/h)03h 27m
80 mph (129 km/h)03h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.56 gal
32.4 L · about $32.28
Round trip
$64.56
17.12 gal · 64.8 L
Estimated CO2
76.1 kg one way
Round trip: 152.1 kg / 335 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $32.28 $64.56
Mid-grade $4.25 $36.41 $72.81
Premium $4.65 $39.84 $79.68
Diesel $5.30 $45.40 $90.80

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 05, 2026

There is no time difference between Lake Tomahawk and City of Janesville. The current time is 19:35:58.

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.