How far is Clayton, WI from West Allis, WI?
The driving distance from Clayton, WI to West Allis, WI is about 307.8 miles (495.4 km), with a travel time of about 04h 50m by car.
- The straight-line flight distance is about 261 miles (420.1 km).
- For a round trip, plan for roughly 09h 40m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 50m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 Monroe County, Wisconsin
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Clayton and West Allis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Clayton and West Allis.
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1
Start on East Clayton Avenue
71 m · 13 sec · East Clayton Avenue
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2
Turn right onto County Highway D
707 ft · 20 sec · County Highway D
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3
Turn left
1.7 mi · 3 min
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4
Turn left onto County Highway P
1.6 mi · 3 min · County Highway P
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5
Continue on 20th Street
5.9 mi · 10 min · 20th Street
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6
Continue on County Highway P
5 mi · 9 min · County Highway P
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7
Continue on State Highway 128
5.7 mi · 10 min · State Highway 128
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8
Continue on 1st Street
2316 ft · 48 sec · 1st Street
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9
Turn right onto West Oak Street
1227 ft · 24 sec · West Oak Street
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10
Continue on State Highway 128
9.1 mi · 13 min · State Highway 128
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11
Enter the roundabout and take exit 2 toward State Highway 128
48 m · 3 sec · State Highway 128
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12
Exit the roundabout onto State Highway 128
147 m · 10 sec · State Highway 128
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13
Enter the roundabout and take exit 2 toward the route
88 m · 6 sec
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14
Exit the roundabout
1593 ft · 39 sec
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15
Merge slight left
210.2 mi · 3 hr 45 min
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16
Keep slight left to continue on I 94: Milwaukee
65.1 mi · 1 hr 11 min
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17
Take the exit slight right toward WI 181: 84th Street
1.5 km · 2 min
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18
Keep slight right to continue on WI 181 South: 84th Street South, Milwaukee Mile Speedway, Pettit National Ice Center
59 m · 5 sec
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19
Turn right onto South 84th Street
1.1 km · 2 min · South 84th Street
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20
Turn left onto West Greenfield Avenue
2754 ft · 2 min · West Greenfield Avenue
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21
Arrive at your destination
0 m · 1 sec · West Greenfield Avenue
Car Route Details
A richer read on the saved driving route between Clayton and West Allis.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
State Highway 128
Merge slight left
210 mi · 03h 45m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Clayton and Sunny near West Allis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Clayton to West Allis?
The road trip is about 307.8 miles (495.4 km) and usually takes 04h 50m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Oakdale is a useful midpoint, sitting about 153.7 miles from Clayton and 154.1 miles from West Allis.
How much longer is the road route than the straight-line distance?
The direct path is about 261 miles (420.1 km), while the road route adds roughly 46.8 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:20 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.95 one way or $81.91 round trip. Estimated CO2 is about 96.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Clayton and Sunny near West Allis.
Stop Ideas Near Oakdale
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 Oakdale.
Tomah
Wisconsin Dells
Wisconsin Rapids, WI
La Crosse
Flight Path Map
This map shows the direct air route between Clayton and West Allis. Straight-line distance: 261.02 mi (420.07 km).
#1 Clayton
Village in Polk County, Wisconsin
| Population | 4,227 |
| Coordinates | 45.3313500, -92.1713000 |
| Altitude | 369 |
| 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: 495 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 15m |
| 40 mph (64.37 km/h) | 07h 41m |
| 50 mph (80.47 km/h) | 06h 09m |
| 60 mph (96.56 km/h) | 05h 07m |
| 70 mph (112.65 km/h) | 04h 23m |
| 80 mph (129 km/h) | 03h 50m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.95 | $81.91 |
| Mid-grade | $4.25 | $46.19 | $92.38 |
| Premium | $4.65 | $50.54 | $101.08 |
| Diesel | $5.30 | $57.60 | $115.20 |
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.