How far is Westport, WI from City of Janesville, WI?
The driving distance from Westport, WI to City of Janesville, WI is about 111.8 miles (180 km), with a travel time of about 02h 08m by car.
- The straight-line flight distance is about 89.8 miles (144.5 km).
- For a round trip, plan for roughly 04h 16m 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 08m.
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.
Town in Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Westport and City of Janesville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Westport and City of Janesville.
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1
Start on State Highway 60
19.5 mi · 29 min · State Highway 60
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2
Turn right
30 mi · 43 min
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3
Continue on State Street
2491 ft · 1 min · State Street
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4
Continue on US Highway 14
4.7 mi · 7 min · US Highway 14
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5
Continue straight
7.8 mi · 13 min
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6
Turn left onto US 12 East, US 14 East: Madison
15.6 mi · 22 min
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7
Take the exit slight right toward I 39 South, I 90 East: Janesville, Chicago
1.4 km · 2 min
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8
Merge slight left onto I 39:I 90: Chicago
28.1 mi · 30 min
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9
Take the exit slight right
1240 ft · 30 sec
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10
Keep slight right to continue on WI 26: State Highway 26
1117 ft · 32 sec
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11
Keep slight right to continue on WI 26 South: Janesville
126 m · 10 sec
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12
Turn slight right onto Milton Avenue
2.3 mi · 5 min · Milton Avenue
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13
Turn left onto East Memorial Drive
80 m · 12 sec · East Memorial Drive
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14
Continue on North Garfield Avenue
2552 ft · 2 min · North Garfield Avenue
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15
Turn right onto East Court Street
142 m · 16 sec · East Court Street
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16
Arrive at your destination
0 m · 1 sec · East Court Street
Car Route Details
A richer read on the saved driving route between Westport and City of Janesville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Longest stretch
Turn right
30 mi · 00h 43m
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.
Partly Sunny leaving Westport and Sunny near City of Janesville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Westport to City of Janesville?
The road trip is about 111.8 miles (180 km) and usually takes 02h 08m 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?
Cross Plains is a useful midpoint, sitting about 55.2 miles from Westport and 56.7 miles from City of Janesville.
How much longer is the road route than the straight-line distance?
The direct path is about 89.8 miles (144.5 km), while the road route adds roughly 22 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 2:14 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.90 one way or $29.79 round trip. Estimated CO2 is about 35.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Westport and Sunny near City of Janesville.
Stop Ideas Near Cross Plains
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 Cross Plains.
Madison, Wisconsin
Madison (South), Wisconsin
Portage
Columbus
Flight Path Map
This map shows the direct air route between Westport and City of Janesville. Straight-line distance: 89.79 mi (144.5 km).
#1 Westport
Unincorporated community in Richland County, Wisconsin
| Population | 4,225 |
| Coordinates | 43.2049800, -90.6412400 |
| Altitude | 202 |
| Country | United States |
#2 City of Janesville
The most populous city in Rock County, Wisconsin.
| Population | 64,128 |
| Coordinates | 42.6857000, -89.0138500 |
| Altitude | 261 |
| Country | United States |
End: East Court Street (-89.013903, 42.685777)
Estimated Travel Time
Distance: 180 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 43m |
| 40 mph (64.37 km/h) | 02h 47m |
| 50 mph (80.47 km/h) | 02h 14m |
| 60 mph (96.56 km/h) | 01h 51m |
| 70 mph (112.65 km/h) | 01h 35m |
| 80 mph (129 km/h) | 01h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.90 | $29.79 |
| Mid-grade | $4.25 | $16.80 | $33.60 |
| Premium | $4.65 | $18.38 | $36.77 |
| Diesel | $5.30 | $20.95 | $41.90 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.