How far is Troy, WI from West Allis, WI?
The driving distance from Troy, WI to West Allis, WI is about 31.6 miles (50.9 km), with a travel time of about 00h 33m by car.
- The straight-line flight distance is about 27.6 miles (44.4 km).
- For a round trip, plan for roughly 01h 07m 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 33m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Waukesha County, Wisconsin, United States
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 Troy and West Allis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Troy and West Allis.
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1
Start on County Road ES
1.1 mi · 3 min · County Road ES
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2
Continue on County Highway ES
1 mi · 3 min · County Highway ES
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3
Keep slight left to continue on Church Street
90 m · 7 sec · Church Street
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4
Turn right onto County Highway ES
1.4 km · 2 min · County Highway ES
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5
Turn right onto North Street
1740 ft · 44 sec · North Street
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6
Turn left onto I 43 North
1546 ft · 38 sec
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7
Merge slight left
21.8 mi · 24 min
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8
Take the exit slight left toward I 41 North, US 45 North, I 894 West: Fond du Lac, Madison
3078 ft · 55 sec
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9
Merge slight right onto Zoo Freeway
3.1 mi · 4 min · Zoo Freeway
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10
Take the exit slight right toward WI 59: Greenfield Avenue
1158 ft · 28 sec
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11
Turn right onto West Greenfield Avenue
1.5 mi · 4 min · West Greenfield Avenue
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12
Arrive at your destination
0 m · 1 sec · West Greenfield Avenue
Car Route Details
A richer read on the saved driving route between Troy and West Allis.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 43 North
Merge slight left
21.8 mi · 00h 24m
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.
Showers And Thunderstorms Likely leaving Troy and Showers And Thunderstorms Likely near West Allis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Troy to West Allis?
The road trip is about 31.6 miles (50.9 km) and usually takes 00h 33m 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?
Vernon is a useful midpoint, sitting about 15.4 miles from Troy and 16.2 miles from West Allis.
How much longer is the road route than the straight-line distance?
The direct path is about 27.6 miles (44.4 km), while the road route adds roughly 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.19 one way or $8.37 round trip. Estimated CO2 is about 9.9 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Troy and Showers And Thunderstorms Likely near West Allis.
Stop Ideas Near Vernon
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 Vernon.
Milwaukee Airport Railroad Station
Milwaukee Intermodal Station
Sturtevant station
Janesville, Wisconsin
Flight Path Map
This map shows the direct air route between Troy and West Allis. Straight-line distance: 27.58 mi (44.39 km).
#1 Troy
Township in Walworth County, Wisconsin
| Population | 2,376 |
| Coordinates | 42.7789000, -88.4448200 |
| Altitude | 265 |
| 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: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.19 | $8.37 |
| Mid-grade | $4.25 | $4.72 | $9.44 |
| Premium | $4.65 | $5.17 | $10.33 |
| Diesel | $5.30 | $5.89 | $11.77 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.