How far is City of Janesville, WI from Westby, WI?
The driving distance from City of Janesville, WI to Westby, WI is about 171.6 miles (276.2 km), with a travel time of about 03h 16m by car.
- The straight-line flight distance is about 114.5 miles (184.2 km).
- For a round trip, plan for roughly 06h 32m 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 03h 16m.
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 Sauk County, Wisconsin, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between City of Janesville and Westby.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and Westby.
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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 left
63.5 mi · 1 hr 8 min
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8
Keep slight left to continue on I 90 West: Tomah, La Crosse
20.1 mi · 22 min
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9
Take the exit slight right toward WI 27: Sparta, Melvina
1314 ft · 32 sec
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10
Keep slight left
50 m · 4 sec
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11
Turn left onto South Black River Street
1976 ft · 34 sec · South Black River Street
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12
Continue on State Highway 27
14.6 mi · 20 min · State Highway 27
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13
Enter the roundabout and take exit 2 toward State Highway 27
39 m · 8 sec · State Highway 27
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14
Exit the roundabout onto State Highway 27
6.3 mi · 9 min · State Highway 27
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15
Continue on Main Street
3217 ft · 58 sec · Main Street
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16
Keep slight left
122 m · 15 sec
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17
Turn straight onto North Main Street
829 ft · 34 sec · North Main Street
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18
Turn left onto East Park Street
126 m · 18 sec · East Park Street
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19
Arrive at your destination
0 m · 1 sec · East Park Street
Car Route Details
A richer read on the saved driving route between City of Janesville and Westby.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Milton Avenue
Keep slight left
63.5 mi · 01h 08m
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.
Chance Showers And Thunderstorms leaving City of Janesville and Showers And Thunderstorms Likely near Westby.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to Westby?
The road trip is about 171.6 miles (276.2 km) and usually takes 03h 16m 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?
Lake Delton is a useful midpoint, sitting about 85.7 miles from City of Janesville and 85.9 miles from Westby.
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 57.1 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 10:28 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.85 one way or $45.70 round trip. Estimated CO2 is about 53.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around City of Janesville and Showers And Thunderstorms Likely near Westby.
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 City of Janesville and Westby. Straight-line distance: 114.47 mi (184.22 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 Westby
Town of the United States
| Population | 2,254 |
| Coordinates | 43.6569200, -90.8543000 |
| Altitude | 396 |
| Country | United States |
End: Westby (-90.8543, 43.65692)
Estimated Travel Time
Distance: 276 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 43m |
| 40 mph (64.37 km/h) | 04h 17m |
| 50 mph (80.47 km/h) | 03h 25m |
| 60 mph (96.56 km/h) | 02h 51m |
| 70 mph (112.65 km/h) | 02h 27m |
| 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 | $22.85 | $45.70 |
| Mid-grade | $4.25 | $25.77 | $51.55 |
| Premium | $4.65 | $28.20 | $56.41 |
| Diesel | $5.30 | $32.14 | $64.28 |
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.