How far is West Allis, WI from Prairie du Sac, WI?
The driving distance from West Allis, WI to Prairie du Sac, WI is about 101.1 miles (162.7 km), with a travel time of about 01h 59m by car.
- The straight-line flight distance is about 88.5 miles (142.5 km).
- For a round trip, plan for roughly 03h 59m 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 59m.
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.
Mostly Cloudy
Partly Sunny then Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between West Allis and Prairie du Sac.
Turn-by-Turn Driving Directions
Step-by-step road directions between West Allis and Prairie du Sac.
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1
Start on West Greenfield Avenue
1.4 mi · 4 min · West Greenfield Avenue
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2
Take the ramp slight right toward I 894 West, US 45 North
907 ft · 24 sec
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3
Keep slight left to continue on I 94: Madison, Milwaukee
751 ft · 18 sec
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4
Merge slight left onto Zoo Freeway
6 m · 1 sec · Zoo Freeway
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5
Take the exit slight right toward I 94 West, I 94 East: Madison, Milwaukee
937 ft · 16 sec
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6
Keep slight left to continue on I 94 West: Madison
3267 ft · 56 sec
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7
Keep slight left to continue on I 94 West: Madison
665 ft · 11 sec
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8
Merge slight left onto East-West Freeway
10.2 mi · 12 min · East-West Freeway
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9
Keep slight left to continue on East-West Freeway
53.5 mi · 57 min · East-West Freeway
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10
Keep slight right to continue on I 39 North, I 90 West, I 94 West: Wisconsin Dells, Eau Claire
18.2 mi · 20 min
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11
Take the exit slight right
1941 ft · 50 sec
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12
Enter the roundabout and take exit 3 toward State Highway 60
74 m · 4 sec · State Highway 60
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13
Exit the rotary onto State Highway 60
664 ft · 11 sec · State Highway 60
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14
Enter the roundabout and take exit 1 toward State Highway 60
35 m · 2 sec · State Highway 60
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15
Exit the rotary onto State Highway 60
3.8 mi · 5 min · State Highway 60
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16
Continue on Portage Street
2070 ft · 1 min · Portage Street
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17
Continue on Lodi Street
123 m · 18 sec · Lodi Street
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18
Turn left onto Water Street
2288 ft · 39 sec · Water Street
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19
Continue on State Highway 60
10.7 mi · 15 min · State Highway 60
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20
Turn left onto 4th Street
2185 ft · 2 min · 4th Street
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21
Arrive at your destination
0 m · 1 sec · 4th Street
Car Route Details
A richer read on the saved driving route between West Allis and Prairie du Sac.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
East-West Freeway
Keep slight left to continue on East-West Freeway
53.5 mi · 00h 57m
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.
Mostly Cloudy leaving West Allis and Partly Sunny then Showers And Thunderstorms Likely near Prairie du Sac.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from West Allis to Prairie du Sac?
The road trip is about 101.1 miles (162.7 km) and usually takes 01h 59m 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 West Allis and 50.6 miles from Prairie du Sac.
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 12.6 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 2:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.46 one way or $26.92 round trip. Estimated CO2 is about 31.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around West Allis and Partly Sunny then Showers And Thunderstorms Likely near Prairie du Sac.
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 West Allis and Prairie du Sac. Straight-line distance: 88.54 mi (142.49 km).
#1 West Allis
The most populous city in Milwaukee County, Wisconsin.
| Population | 59,748 |
| Coordinates | 43.0166800, -88.0070300 |
| Altitude | 222 |
| Country | United States |
#2 Prairie du Sac
Village in Sauk County, Wisconsin, United States
| Population | 1,151 |
| Coordinates | 43.2869300, -89.7240100 |
| Altitude | 236 |
| Country | United States |
End: Prairie du Sac (-89.72401, 43.28693)
Estimated Travel Time
Distance: 163 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 22m |
| 40 mph (64.37 km/h) | 02h 31m |
| 50 mph (80.47 km/h) | 02h 01m |
| 60 mph (96.56 km/h) | 01h 41m |
| 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 | $13.46 | $26.92 |
| Mid-grade | $4.25 | $15.18 | $30.37 |
| Premium | $4.65 | $16.61 | $33.23 |
| Diesel | $5.30 | $18.94 | $37.87 |
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.