How far is Colfax, WI from West Allis, WI?
The driving distance from Colfax, WI to West Allis, WI is about 263.4 miles (423.9 km), with a travel time of about 04h 02m by car.
- The straight-line flight distance is about 230 miles (370.1 km).
- For a round trip, plan for roughly 08h 04m 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 02m.
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.
Town in Juneau County, Wisconsin, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Colfax and West Allis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Colfax and West Allis.
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1
Start on Main Street
2597 ft · 1 min · Main Street
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2
Continue on State Highway 40
7.5 mi · 10 min · State Highway 40
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3
Turn left
1.3 mi · 2 min
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4
Turn left
2083 ft · 51 sec
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5
Merge slight left
186.5 mi · 3 hr 20 min
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6
Keep slight left to continue on I 94: Milwaukee
65.1 mi · 1 hr 11 min
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7
Take the exit slight right toward WI 181: 84th Street
1.5 km · 2 min
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8
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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9
Turn right onto South 84th Street
1.1 km · 2 min · South 84th Street
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10
Turn left onto West Greenfield Avenue
2754 ft · 2 min · West Greenfield Avenue
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11
Arrive at your destination
0 m · 1 sec · West Greenfield Avenue
Car Route Details
A richer read on the saved driving route between Colfax 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.
State Highway 40
Merge slight left
187 mi · 03h 20m
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.
Mostly Sunny leaving Colfax and Chance Rain Showers near West Allis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Colfax to West Allis?
The road trip is about 263.4 miles (423.9 km) and usually takes 04h 02m 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?
Lemonweir is a useful midpoint, sitting about 131.5 miles from Colfax and 131.9 miles from West Allis.
How much longer is the road route than the straight-line distance?
The direct path is about 230 miles (370.1 km), while the road route adds roughly 33.4 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 8:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $35.03 one way or $70.07 round trip. Estimated CO2 is about 82.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Colfax and Chance Rain Showers near West Allis.
Stop Ideas Near Lemonweir
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 Lemonweir.
Wisconsin Dells
Westfield, WI
Tomah
Portage
Flight Path Map
This map shows the direct air route between Colfax and West Allis. Straight-line distance: 229.98 mi (370.11 km).
#1 Colfax
Village in Dunn County, Wisconsin
| Population | 1,244 |
| Coordinates | 44.9974600, -91.7271200 |
| Altitude | 288 |
| 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: 424 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 46m |
| 40 mph (64.37 km/h) | 06h 35m |
| 50 mph (80.47 km/h) | 05h 16m |
| 60 mph (96.56 km/h) | 04h 23m |
| 70 mph (112.65 km/h) | 03h 45m |
| 80 mph (129 km/h) | 03h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $35.03 | $70.07 |
| Mid-grade | $4.25 | $39.51 | $79.02 |
| Premium | $4.65 | $43.24 | $86.47 |
| Diesel | $5.30 | $49.27 | $98.55 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.