How far is Janesville, WI from West Allis, WI?
The driving distance from Janesville, WI to West Allis, WI is about 69.5 miles (111.9 km), with a travel time of about 01h 11m by car.
- The straight-line flight distance is about 56.2 miles (90.4 km).
- For a round trip, plan for roughly 02h 22m 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 11m.
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.
Civil town in Walworth County, Wisconsin
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Janesville and West Allis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Janesville and West Allis.
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1
Start on the route
38 m · 11 sec
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2
At the end of the road, turn right onto Saint Lawrence Avenue
864 ft · 43 sec · Saint Lawrence Avenue
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3
Turn left onto South Main Street
1.2 km · 2 min · South Main Street
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4
Continue on Beloit Avenue
2072 ft · 1 min · Beloit Avenue
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5
Turn left onto East Delavan Drive
2 mi · 2 min · East Delavan Drive
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6
Continue on East County Road O
1.1 mi · 2 min · East County Road O
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7
Turn right
10.7 mi · 15 min
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8
Continue straight
3.5 mi · 5 min
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9
Turn left
1929 ft · 47 sec
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10
Merge slight left
45.2 mi · 49 min
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11
Take the exit slight left toward I 41 North, US 45 North, I 894 West: Fond du Lac, Madison
3078 ft · 55 sec
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12
Merge slight right onto Zoo Freeway
3.1 mi · 4 min · Zoo Freeway
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13
Take the exit slight right toward WI 59: Greenfield Avenue
1158 ft · 28 sec
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14
Turn right onto West Greenfield Avenue
1.5 mi · 4 min · West Greenfield Avenue
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15
Arrive at your destination
0 m · 1 sec · West Greenfield Avenue
Car Route Details
A richer read on the saved driving route between Janesville and West Allis.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
East County Road O
Merge slight left
45.2 mi · 00h 49m
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 then Slight Chance Showers And Thunderstorms leaving Janesville and Mostly Cloudy near West Allis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Janesville to West Allis?
The road trip is about 69.5 miles (111.9 km) and usually takes 01h 11m 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?
Spring Prairie is a useful midpoint, sitting about 34.7 miles from Janesville and 34.8 miles from West Allis.
How much longer is the road route than the straight-line distance?
The direct path is about 56.2 miles (90.4 km), while the road route adds roughly 13.3 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 4:08 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.24 one way or $18.48 round trip. Estimated CO2 is about 21.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Janesville and Mostly Cloudy near West Allis.
Stop Ideas Near Spring Prairie
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 Spring Prairie.
Sturtevant station
Milwaukee Airport Railroad Station
Janesville, Wisconsin
South Beloit, Illinois
Flight Path Map
This map shows the direct air route between Janesville and West Allis. Straight-line distance: 56.2 mi (90.44 km).
#1 Janesville
City in and county seat of Rock County, Wisconsin
| Population | 3,612 |
| Coordinates | 42.6827900, -89.0187200 |
| Altitude | 255 |
| Country | United States |
#2 West Allis
The most populous city in Milwaukee County, Wisconsin.
| Population | 59,748 |
| Coordinates | 43.0166800, -88.0070300 |
| Altitude | 222 |
| Country | United States |
End: West Greenfield Avenue (-88.007075, 43.01665)
Estimated Travel Time
Distance: 112 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 19m |
| 40 mph (64.37 km/h) | 01h 44m |
| 50 mph (80.47 km/h) | 01h 23m |
| 60 mph (96.56 km/h) | 01h 09m |
| 70 mph (112.65 km/h) | 00h 59m |
| 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 | $9.24 | $18.48 |
| Mid-grade | $4.25 | $10.42 | $20.84 |
| Premium | $4.65 | $11.40 | $22.80 |
| Diesel | $5.30 | $12.99 | $25.99 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.