How far is West Allis, WI from Williams Bay, WI?
The driving distance from West Allis, WI to Williams Bay, WI is about 45.5 miles (73.3 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 40.6 miles (65.4 km).
- For a round trip, plan for roughly 01h 50m 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 00h 55m.
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 Waukesha County, Wisconsin
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between West Allis and Williams Bay.
Turn-by-Turn Driving Directions
Step-by-step road directions between West Allis and Williams Bay.
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1
Start on West Greenfield Avenue
1.5 mi · 4 min · West Greenfield Avenue
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2
Turn left onto I 41 South, I 894 East, US 45 South
1706 ft · 44 sec
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3
Merge slight left onto Zoo Freeway
3.2 mi · 4 min · Zoo Freeway
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4
Take the exit slight right toward I 43 South, US 45 South: Beloit
34.8 mi · 38 min
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5
Take the exit slight right toward WI 67: Elkhorn, Williams Bay
1610 ft · 43 sec
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6
Turn left onto South Lincoln Street
951 ft · 23 sec · South Lincoln Street
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7
Continue on State Highway 67
5.3 mi · 7 min · State Highway 67
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8
Arrive at your destination
0 m · 1 sec · State Highway 67
Car Route Details
A richer read on the saved driving route between West Allis and Williams Bay.
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 43 South
Take the exit slight right toward I 43 South, US 45 South: Beloit
34.8 mi · 00h 38m
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 West Allis and Showers And Thunderstorms Likely near Williams Bay.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from West Allis to Williams Bay?
The road trip is about 45.5 miles (73.3 km) and usually takes 00h 55m 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?
Mukwonago is a useful midpoint, sitting about 22.7 miles from West Allis and 22.8 miles from Williams Bay.
How much longer is the road route than the straight-line distance?
The direct path is about 40.6 miles (65.4 km), while the road route adds roughly 4.9 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 4:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.07 one way or $12.14 round trip. Estimated CO2 is about 14.3 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around West Allis and Showers And Thunderstorms Likely near Williams Bay.
Stop Ideas Near Mukwonago
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 Mukwonago.
Milwaukee Airport Railroad Station
Milwaukee Intermodal Station
Sturtevant station
Janesville, Wisconsin
Flight Path Map
This map shows the direct air route between West Allis and Williams Bay. Straight-line distance: 40.63 mi (65.39 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 Williams Bay
Village in Walworth County, Wisconsin
| Population | 2,657 |
| Coordinates | 42.5780700, -88.5409300 |
| Altitude | 268 |
| Country | United States |
End: Williams Bay (-88.54093, 42.57807)
Estimated Travel Time
Distance: 73 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 31m |
| 40 mph (64.37 km/h) | 01h 08m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 39m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.07 | $12.14 |
| Mid-grade | $4.25 | $6.85 | $13.69 |
| Premium | $4.65 | $7.49 | $14.99 |
| Diesel | $5.30 | $8.54 | $17.08 |
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.