How far is City of Janesville, WI from Knowlton, WI?
The driving distance from City of Janesville, WI to Knowlton, WI is about 156.1 miles (251.2 km), with a travel time of about 02h 54m by car.
- The straight-line flight distance is about 144.2 miles (232.1 km).
- For a round trip, plan for roughly 05h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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.
This route works well as a day trip with time at the destination.
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 02h 54m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Marquette County, Wisconsin
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between City of Janesville and Knowlton.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and Knowlton.
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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
86.3 mi · 1 hr 32 min
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9
Take the exit slight right toward CTH DB: Knowlton, Lake Du Bay
1546 ft · 38 sec
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10
Keep slight left
27 m · 10 sec
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11
Turn left onto County Road DB
3.7 mi · 5 min · County Road DB
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12
Turn left onto Knowlton Road
141 m · 16 sec · Knowlton Road
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13
Arrive at your destination
0 m · 1 sec · Knowlton Road
Car Route Details
A richer read on the saved driving route between City of Janesville and Knowlton.
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
86.3 mi · 01h 32m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving City of Janesville and Sunny near Knowlton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to Knowlton?
The road trip is about 156.1 miles (251.2 km) and usually takes 02h 54m 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?
Endeavor is a useful midpoint, sitting about 78 miles from City of Janesville and 78 miles from Knowlton.
How much longer is the road route than the straight-line distance?
The direct path is about 144.2 miles (232.1 km), while the road route adds roughly 11.9 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 12:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.78 one way or $41.56 round trip. Estimated CO2 is about 49 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around City of Janesville and Sunny near Knowlton.
Stop Ideas Near Endeavor
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 Endeavor.
Westfield, WI
Portage
Wisconsin Dells
Columbus
Flight Path Map
This map shows the direct air route between City of Janesville and Knowlton. Straight-line distance: 144.23 mi (232.11 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 Knowlton
Civil town in Marathon County, Wisconsin
| Population | 2,027 |
| Coordinates | 44.7163600, -89.6826200 |
| Altitude | 340 |
| Country | United States |
End: Knowlton (-89.68262, 44.71636)
Estimated Travel Time
Distance: 251 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 12m |
| 40 mph (64.37 km/h) | 03h 54m |
| 50 mph (80.47 km/h) | 03h 07m |
| 60 mph (96.56 km/h) | 02h 36m |
| 70 mph (112.65 km/h) | 02h 13m |
| 80 mph (129 km/h) | 01h 56m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.78 | $41.56 |
| Mid-grade | $4.25 | $23.43 | $46.87 |
| Premium | $4.65 | $25.64 | $51.29 |
| Diesel | $5.30 | $29.23 | $58.45 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.