How far is Prairie du Sac, WI from West Allis, WI?
The driving distance from Prairie du Sac, WI to West Allis, WI is about 101 miles (162.5 km), with a travel time of about 01h 41m by car.
- The straight-line flight distance is about 88.5 miles (142.5 km).
- For a round trip, plan for roughly 03h 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 41m.
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.
City in Iowa, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Showers And Thunderstorms Likely
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Prairie du Sac and West Allis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Prairie du Sac and West Allis.
-
1
Start on 4th Street
2185 ft · 2 min · 4th Street
-
2
At the end of the road, turn right onto Prairie Street
87 m · 10 sec · Prairie Street
-
3
Continue on State Highway 60
2061 ft · 35 sec · State Highway 60
-
4
Continue on State Highways 60 & 188
10.3 mi · 14 min · State Highways 60 & 188
-
5
Continue on Water Street
2288 ft · 40 sec · Water Street
-
6
At the end of the road, turn right onto Lodi Street
123 m · 16 sec · Lodi Street
-
7
Continue on Portage Street
2070 ft · 1 min · Portage Street
-
8
Continue on State Highway 60
3.8 mi · 5 min · State Highway 60
-
9
Enter the roundabout and take exit 1 toward State Highway 60
14 m · 3 sec
-
10
Exit the rotary
1410 ft · 34 sec
-
11
Merge slight left
17.7 mi · 19 min
-
12
Keep slight left to continue on I 94: Milwaukee
65.1 mi · 1 hr 11 min
-
13
Take the exit slight right toward WI 181: 84th Street
1.5 km · 2 min
-
14
Keep slight right to continue on WI 181 South: 84th Street South, Milwaukee Mile Speedway, Pettit National Ice Center
59 m · 5 sec
-
15
Turn right onto South 84th Street
1.1 km · 2 min · South 84th Street
-
16
Turn left onto West Greenfield Avenue
2754 ft · 2 min · West Greenfield Avenue
-
17
Arrive at your destination
0 m · 1 sec · West Greenfield Avenue
Car Route Details
A richer read on the saved driving route between Prairie du Sac and West Allis.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 94
Keep slight left to continue on I 94: Milwaukee
65.1 mi · 01h 11m
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 Showers And Thunderstorms Likely leaving Prairie du Sac 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 Prairie du Sac to West Allis?
The road trip is about 101 miles (162.5 km) and usually takes 01h 41m 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 Mills is a useful midpoint, sitting about 50.5 miles from Prairie du Sac and 50.5 miles from West Allis.
How much longer is the road route than the straight-line distance?
The direct path is about 88.5 miles (142.5 km), while the road route adds roughly 12.5 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 3:08 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.42 one way or $26.85 round trip. Estimated CO2 is about 31.6 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Showers And Thunderstorms Likely around Prairie du Sac and Mostly Cloudy near West Allis.
Stop Ideas Near Lake Mills
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 Mills.
Columbus
Madison (South), Wisconsin
Madison, Wisconsin
Janesville, Wisconsin
Flight Path Map
This map shows the direct air route between Prairie du Sac and West Allis. Straight-line distance: 88.54 mi (142.49 km).
#1 Prairie du Sac
Village in Sauk County, Wisconsin, United States
| Population | 1,151 |
| Coordinates | 43.2869300, -89.7240100 |
| Altitude | 236 |
| 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: 162 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 21m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 01m |
| 60 mph (96.56 km/h) | 01h 40m |
| 70 mph (112.65 km/h) | 01h 26m |
| 80 mph (129 km/h) | 01h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.42 | $26.85 |
| Mid-grade | $4.25 | $15.14 | $30.28 |
| Premium | $4.65 | $16.57 | $33.14 |
| Diesel | $5.30 | $18.88 | $37.76 |
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.