How far is Westby, WI from City of Janesville, WI?
The driving distance from Westby, WI to City of Janesville, WI is about 171.2 miles (275.5 km), with a travel time of about 02h 44m by car.
- The straight-line flight distance is about 114.5 miles (184.2 km).
- For a round trip, plan for roughly 05h 28m 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 44m.
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 Sauk County, Wisconsin, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Westby and City of Janesville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Westby and City of Janesville.
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1
Start on East Park Street
126 m · 20 sec · East Park Street
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2
Turn right onto North Main Street
998 ft · 34 sec · North Main Street
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3
Keep slight right to continue on Main Street
3209 ft · 50 sec · Main Street
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4
Continue on State Highway 27
6.3 mi · 9 min · State Highway 27
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5
Enter the roundabout and take exit 2 toward State Highway 27
40 m · 8 sec · State Highway 27
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6
Exit the roundabout onto State Highway 27
14.6 mi · 20 min · State Highway 27
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7
Continue on South Black River Street
1006 ft · 16 sec · South Black River Street
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8
Take the ramp right
1515 ft · 37 sec
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9
Merge slight left
111.9 mi · 2 hr
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10
Keep slight right to continue on I 39, I 90: Chicago
33.1 mi · 35 min
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11
Take the exit slight right
1240 ft · 30 sec
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12
Keep slight right to continue on WI 26: State Highway 26
1117 ft · 32 sec
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13
Keep slight right to continue on WI 26 South: Janesville
126 m · 10 sec
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14
Turn slight right onto Milton Avenue
2.3 mi · 5 min · Milton Avenue
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15
Turn left onto East Memorial Drive
80 m · 12 sec · East Memorial Drive
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16
Continue on North Garfield Avenue
2552 ft · 2 min · North Garfield Avenue
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17
Turn right onto East Court Street
142 m · 16 sec · East Court Street
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18
Arrive at your destination
0 m · 1 sec · East Court Street
Car Route Details
A richer read on the saved driving route between Westby and City of Janesville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
South Black River Street
Merge slight left
112 mi · 02h 00m
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.
Showers And Thunderstorms Likely leaving Westby and 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 Westby to City of Janesville?
The road trip is about 171.2 miles (275.5 km) and usually takes 02h 44m 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?
Lake Delton is a useful midpoint, sitting about 85.3 miles from Westby and 85.9 miles from City of Janesville.
How much longer is the road route than the straight-line distance?
The direct path is about 114.5 miles (184.2 km), while the road route adds roughly 56.7 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 1:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.78 one way or $45.55 round trip. Estimated CO2 is about 53.7 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Westby and Chance Showers And Thunderstorms near City of Janesville.
Stop Ideas Near Lake Delton
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 Lake Delton.
Wisconsin Dells
Portage
Westfield, WI
Madison, Wisconsin
Flight Path Map
This map shows the direct air route between Westby and City of Janesville. Straight-line distance: 114.47 mi (184.22 km).
#1 Westby
Town of the United States
| Population | 2,254 |
| Coordinates | 43.6569200, -90.8543000 |
| Altitude | 396 |
| 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: 275 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 42m |
| 40 mph (64.37 km/h) | 04h 16m |
| 50 mph (80.47 km/h) | 03h 25m |
| 60 mph (96.56 km/h) | 02h 51m |
| 70 mph (112.65 km/h) | 02h 26m |
| 80 mph (129 km/h) | 02h 08m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $22.78 | $45.55 |
| Mid-grade | $4.25 | $25.69 | $51.38 |
| Premium | $4.65 | $28.11 | $56.22 |
| Diesel | $5.30 | $32.04 | $64.07 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.