How far is West Allis, WI from Darien, WI?
The driving distance from West Allis, WI to Darien, WI is about 52.3 miles (84.1 km), with a travel time of about 01h 02m by car.
- The straight-line flight distance is about 45.7 miles (73.5 km).
- For a round trip, plan for roughly 02h 04m 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 02m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between West Allis and Darien.
Turn-by-Turn Driving Directions
Step-by-step road directions between West Allis and Darien.
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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
45.6 mi · 49 min
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5
Take the exit slight right toward US 14: Darien, Janesville
1398 ft · 34 sec
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6
Keep slight left
31 m · 3 sec
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7
Turn left
1.1 mi · 3 min
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8
Turn left onto East Beloit Street
570 ft · 19 sec · East Beloit Street
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9
Turn left onto Wisconsin Street
153 m · 14 sec · Wisconsin Street
-
10
Turn right onto East Fremont Street
17 m · 2 sec · East Fremont Street
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11
Arrive at your destination
0 m · 1 sec · East Fremont Street
Car Route Details
A richer read on the saved driving route between West Allis and Darien.
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
45.6 mi · 00h 50m
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.
Sunny leaving West Allis and Sunny near Darien.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from West Allis to Darien?
The road trip is about 52.3 miles (84.1 km) and usually takes 01h 02m 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?
Potter Lake is a useful midpoint, sitting about 26.1 miles from West Allis and 26.2 miles from Darien.
How much longer is the road route than the straight-line distance?
The direct path is about 45.7 miles (73.5 km), while the road route adds roughly 6.6 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 4:26 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.94 one way or $13.88 round trip. Estimated CO2 is about 16.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around West Allis and Sunny near Darien.
Stop Ideas Near Potter Lake
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 Potter Lake.
Milwaukee Airport Railroad Station
Sturtevant station
Milwaukee Intermodal Station
Janesville, Wisconsin
Flight Path Map
This map shows the direct air route between West Allis and Darien. Straight-line distance: 45.64 mi (73.45 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 Darien
Civil town in Walworth County, Wisconsin
| Population | 1,710 |
| Coordinates | 42.6016800, -88.7076000 |
| Altitude | 289 |
| Country | United States |
End: Darien (-88.7076, 42.60168)
Estimated Travel Time
Distance: 84 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 44m |
| 40 mph (64.37 km/h) | 01h 18m |
| 50 mph (80.47 km/h) | 01h 02m |
| 60 mph (96.56 km/h) | 00h 52m |
| 70 mph (112.65 km/h) | 00h 44m |
| 80 mph (129 km/h) | 00h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.94 | $13.88 |
| Mid-grade | $4.25 | $7.83 | $15.65 |
| Premium | $4.65 | $8.56 | $17.13 |
| Diesel | $5.30 | $9.76 | $19.52 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.