How far is West Allis, WI from Troy, WI?
The driving distance from West Allis, WI to Troy, WI is about 30.8 miles (49.5 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 27.6 miles (44.4 km).
- For a round trip, plan for roughly 01h 23m 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 41m.
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 West Allis and Troy.
Turn-by-Turn Driving Directions
Step-by-step road directions between West Allis and Troy.
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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
22.3 mi · 24 min
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5
Take the exit slight right toward WI 20: East Troy
1324 ft · 32 sec
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6
Keep slight right
58 m · 6 sec
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7
Turn right onto North Street
72 m · 5 sec · North Street
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8
Turn slight left
525 ft · 21 sec
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9
Turn slight left onto County Highway ES
1.5 km · 2 min · County Highway ES
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10
Keep slight left to continue on County Highway ES
1 mi · 2 min · County Highway ES
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11
Continue on County Road ES
1.1 mi · 3 min · County Road ES
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12
Arrive at your destination
0 m · 1 sec · County Road ES
Car Route Details
A richer read on the saved driving route between West Allis and Troy.
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 South
Take the exit slight right toward I 43 South, US 45 South: Beloit
22.3 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 West Allis and Showers And Thunderstorms Likely near Troy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from West Allis to Troy?
The road trip is about 30.8 miles (49.5 km) and usually takes 00h 41m 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 15.3 miles from West Allis and 15.4 miles from Troy.
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 3.2 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 7:06 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.11 one way or $8.22 round trip. Estimated CO2 is about 9.7 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around West Allis and Showers And Thunderstorms Likely near Troy.
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 West Allis and Troy. Straight-line distance: 27.58 mi (44.39 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 Troy
Township in Walworth County, Wisconsin
| Population | 2,376 |
| Coordinates | 42.7789000, -88.4448200 |
| Altitude | 265 |
| Country | United States |
End: Troy (-88.44482, 42.7789)
Estimated Travel Time
Distance: 49 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 01m |
| 40 mph (64.37 km/h) | 00h 46m |
| 50 mph (80.47 km/h) | 00h 36m |
| 60 mph (96.56 km/h) | 00h 30m |
| 70 mph (112.65 km/h) | 00h 26m |
| 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 | $4.11 | $8.22 |
| Mid-grade | $4.25 | $4.64 | $9.27 |
| Premium | $4.65 | $5.07 | $10.15 |
| Diesel | $5.30 | $5.78 | $11.56 |
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.