How far is City of Janesville, WI from Lake Tomahawk, WI?
The driving distance from City of Janesville, WI to Lake Tomahawk, WI is about 242.2 miles (389.8 km), with a travel time of about 04h 38m by car.
- The straight-line flight distance is about 218 miles (350.9 km).
- For a round trip, plan for roughly 09h 17m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 04h 38m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Village in Waushara County, Wisconsin, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Chance Showers And Thunderstorms
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between City of Janesville and Lake Tomahawk.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and Lake Tomahawk.
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1
Start on East Court Street
45 m · 6 sec · East Court Street
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2
Turn right onto Harrison Street
156 m · 27 sec · Harrison Street
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3
Turn left onto East Milwaukee Street
841 ft · 21 sec · East Milwaukee Street
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4
Turn sharp right onto Milton Avenue
3.1 mi · 7 min · Milton Avenue
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5
Take the exit slight left
1.3 km · 2 min
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6
Merge slight left
61.3 mi · 1 hr 6 min
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7
Keep slight right to continue on WI 78 South, I 39 North: Merrimac, Portage, Wausau
1128 ft · 15 sec
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8
Continue on I 39 North: Portage, Wausau
103.5 mi · 1 hr 51 min
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9
Merge slight right
47.8 mi · 55 min
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10
Keep slight left
16.8 mi · 23 min
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11
Turn right onto County Road D
7.6 mi · 13 min · County Road D
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12
At the end of the road, turn left onto Bradley Street
1.2 km · 1 min · Bradley Street
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13
Turn left onto Violet Drive
52 m · 10 sec · Violet Drive
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14
Turn right onto Lilly Street
27 m · 4 sec · Lilly Street
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15
Arrive at your destination
0 m · 1 sec · Lilly Street
Car Route Details
A richer read on the saved driving route between City of Janesville and Lake Tomahawk.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 39 North
Continue on I 39 North: Portage, Wausau
104 mi · 01h 51m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny then Chance Showers And Thunderstorms leaving City of Janesville and Chance Rain Showers near Lake Tomahawk.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to Lake Tomahawk?
The road trip is about 242.2 miles (389.8 km) and usually takes 04h 38m 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 121.2 miles from City of Janesville and 121.1 miles from Lake Tomahawk.
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 24.2 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 7:42 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.24 one way or $64.48 round trip. Estimated CO2 is about 76 kg one way.
What should you check before leaving?
Before you leave, expect Sunny then Chance Showers And Thunderstorms around City of Janesville and Chance Rain Showers near Lake Tomahawk.
Stop Ideas Near Plainfield
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 Plainfield.
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Flight Path Map
This map shows the direct air route between City of Janesville and Lake Tomahawk. Straight-line distance: 218.05 mi (350.91 km).
#1 City of Janesville
The most populous city in Rock County, Wisconsin.
| Population | 64,128 |
| Coordinates | 42.6857000, -89.0138500 |
| Altitude | 261 |
| Country | United States |
#2 Lake Tomahawk
Human settlement in Oneida County, Wisconsin, United States of America
| Population | 1,037 |
| Coordinates | 45.8141200, -89.5937500 |
| Altitude | 500 |
| Country | United States |
End: Lake Tomahawk (-89.59375, 45.81412)
Estimated Travel Time
Distance: 390 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 04m |
| 40 mph (64.37 km/h) | 06h 03m |
| 50 mph (80.47 km/h) | 04h 50m |
| 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.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $32.24 | $64.48 |
| Mid-grade | $4.25 | $36.36 | $72.73 |
| Premium | $4.65 | $39.79 | $79.58 |
| Diesel | $5.30 | $45.35 | $90.70 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.