How far is City of Janesville, WI from Portage, WI?
The driving distance from City of Janesville, WI to Portage, WI is about 70.5 miles (113.5 km), with a travel time of about 01h 21m by car.
- The straight-line flight distance is about 63.2 miles (101.7 km).
- For a round trip, plan for roughly 02h 42m 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 01h 21m.
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.
Human settlement in Langlade County, Wisconsin, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between City of Janesville and Portage.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and Portage.
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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
2.8 mi · 3 min
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9
Take the exit slight right toward WI 33, I 90 Alternate: Portage
1373 ft · 34 sec
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10
Turn right onto State Highway 33
1.8 mi · 3 min · State Highway 33
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11
Arrive at your destination
0 m · 1 sec · West Cook Street
Car Route Details
A richer read on the saved driving route between City of Janesville and Portage.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Milton Avenue
Merge slight left
61.3 mi · 01h 06m
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.
Mostly Sunny leaving City of Janesville and Mostly Sunny near Portage.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to Portage?
The road trip is about 70.5 miles (113.5 km) and usually takes 01h 21m 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?
Vilas is a useful midpoint, sitting about 35.3 miles from City of Janesville and 35.3 miles from Portage.
How much longer is the road route than the straight-line distance?
The direct path is about 63.2 miles (101.7 km), while the road route adds roughly 7.3 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 3:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.39 one way or $18.78 round trip. Estimated CO2 is about 22.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around City of Janesville and Mostly Sunny near Portage.
Stop Ideas Near Vilas
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 Vilas.
Madison (South), Wisconsin
Madison, Wisconsin
Columbus
Janesville, Wisconsin
Flight Path Map
This map shows the direct air route between City of Janesville and Portage. Straight-line distance: 63.16 mi (101.65 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 Portage
Fourth-class city in Columbia County, Wisconsin
| Population | 10,381 |
| Coordinates | 43.5391500, -89.4626200 |
| Altitude | 241 |
| Country | United States |
End: Portage (-89.46262, 43.53915)
Estimated Travel Time
Distance: 114 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 21m |
| 40 mph (64.37 km/h) | 01h 45m |
| 50 mph (80.47 km/h) | 01h 24m |
| 60 mph (96.56 km/h) | 01h 10m |
| 70 mph (112.65 km/h) | 01h 00m |
| 80 mph (129 km/h) | 00h 52m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.39 | $18.78 |
| Mid-grade | $4.25 | $10.59 | $21.18 |
| Premium | $4.65 | $11.59 | $23.18 |
| Diesel | $5.30 | $13.21 | $26.41 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.