How far is Sullivan, WI from West Allis, WI?
The driving distance from Sullivan, WI to West Allis, WI is about 36.2 miles (58.2 km), with a travel time of about 00h 37m by car.
- The straight-line flight distance is about 29.3 miles (47.2 km).
- For a round trip, plan for roughly 01h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 37m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Third-class city in Waukesha County, Wisconsin, United States
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 Sullivan and West Allis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sullivan and West Allis.
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1
Start on Main Street
3095 ft · 1 min · Main Street
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2
Continue on US Highway 18
2.1 mi · 3 min · US Highway 18
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3
Continue on Sunset Drive
5.3 mi · 8 min · Sunset Drive
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4
Turn left onto South Sawyer Road
2.6 mi · 5 min · South Sawyer Road
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5
Enter the roundabout and take exit 1 toward North Sawyer Road
41 m · 3 sec · North Sawyer Road
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6
Exit the roundabout onto North Sawyer Road
51 m · 3 sec · North Sawyer Road
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7
Take the ramp slight right
2076 ft · 51 sec
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8
Merge slight left onto East-West Freeway
20.9 mi · 23 min · East-West Freeway
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9
Take the exit slight right toward WI 181: 84th Street
1.5 km · 2 min
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10
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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11
Turn right onto South 84th Street
1.1 km · 2 min · South 84th Street
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12
Turn left onto West Greenfield Avenue
2754 ft · 2 min · West Greenfield Avenue
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13
Arrive at your destination
0 m · 1 sec · West Greenfield Avenue
Car Route Details
A richer read on the saved driving route between Sullivan 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.
East-West Freeway
Merge slight left onto East-West Freeway
20.9 mi · 00h 23m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Sullivan 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 Sullivan to West Allis?
The road trip is about 36.2 miles (58.2 km) and usually takes 00h 37m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Pewaukee is a useful midpoint, sitting about 17 miles from Sullivan and 19.2 miles from West Allis.
How much longer is the road route than the straight-line distance?
The direct path is about 29.3 miles (47.2 km), while the road route adds roughly 6.9 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:14 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.83 one way or $9.65 round trip. Estimated CO2 is about 11.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Sullivan and Sunny near West Allis.
Stop Ideas Near Pewaukee
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 Pewaukee.
Milwaukee Intermodal Station
Milwaukee Airport Railroad Station
Sturtevant station
Beaver Dam, WI
Flight Path Map
This map shows the direct air route between Sullivan and West Allis. Straight-line distance: 29.36 mi (47.25 km).
#1 Sullivan
Village in Jefferson County, Wisconsin
| Population | 2,299 |
| Coordinates | 43.0127900, -88.5881600 |
| Altitude | 263 |
| 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: 58 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 12m |
| 40 mph (64.37 km/h) | 00h 54m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 36m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.83 | $9.65 |
| Mid-grade | $4.25 | $5.44 | $10.89 |
| Premium | $4.65 | $5.96 | $11.91 |
| Diesel | $5.30 | $6.79 | $13.58 |
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.