How far is Monroe, WI from West Allis, WI?
The driving distance from Monroe, WI to West Allis, WI is about 102 miles (164.2 km), with a travel time of about 01h 49m by car.
- The straight-line flight distance is about 87.6 miles (140.9 km).
- For a round trip, plan for roughly 03h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 49m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Civil town in Walworth County, Wisconsin
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 Monroe and West Allis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monroe and West Allis.
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1
Start on 11th Street
914 ft · 33 sec · 11th Street
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2
Turn right onto 20th Avenue
624 ft · 26 sec · 20th Avenue
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3
Turn left onto 13th Street
1.1 km · 1 min · 13th Street
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4
Continue on County Highway KK
1.4 mi · 2 min · County Highway KK
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5
Turn right onto State Highway 11
10.4 mi · 14 min · State Highway 11
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6
Turn right onto State Highway 81
15.3 mi · 21 min · State Highway 81
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7
Continue on West Liberty Avenue
4.6 mi · 7 min · West Liberty Avenue
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8
Turn left onto 6th Street
2890 ft · 1 min · 6th Street
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9
Turn right onto Maple Avenue
1301 ft · 36 sec · Maple Avenue
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10
Continue on Henry Avenue
1.2 mi · 3 min · Henry Avenue
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11
Continue on Shopiere Road
2.2 mi · 4 min · Shopiere Road
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12
Turn right onto East Hart Road
2.2 mi · 4 min · East Hart Road
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13
Enter the roundabout and take exit 2 toward East Hart Road
30 m · 2 sec · East Hart Road
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14
Exit the roundabout onto East Hart Road
662 ft · 11 sec · East Hart Road
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15
Enter the roundabout and take exit 2 toward the route
50 m · 2 sec
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16
Exit the roundabout
2447 ft · 59 sec
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17
Merge slight left
58.2 mi · 1 hr 3 min
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18
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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19
Merge slight right onto Zoo Freeway
3.1 mi · 4 min · Zoo Freeway
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20
Take the exit slight right toward WI 59: Greenfield Avenue
1158 ft · 28 sec
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21
Turn right onto West Greenfield Avenue
1.5 mi · 4 min · West Greenfield Avenue
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22
Arrive at your destination
0 m · 1 sec · West Greenfield Avenue
Car Route Details
A richer read on the saved driving route between Monroe and West Allis.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
East Hart Road
Merge slight left
58.2 mi · 01h 03m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Showers And Thunderstorms Likely leaving Monroe 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 Monroe to West Allis?
The road trip is about 102 miles (164.2 km) and usually takes 01h 49m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Darien is a useful midpoint, sitting about 51.6 miles from Monroe and 50.5 miles from West Allis.
How much longer is the road route than the straight-line distance?
The direct path is about 87.6 miles (140.9 km), while the road route adds roughly 14.4 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 2:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.58 one way or $27.15 round trip. Estimated CO2 is about 32 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Monroe and Showers And Thunderstorms Likely near West Allis.
Stop Ideas Near Darien
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 Darien.
South Beloit, Illinois
Janesville, Wisconsin
Rockford, Illinois
Sturtevant station
Flight Path Map
This map shows the direct air route between Monroe and West Allis. Straight-line distance: 87.53 mi (140.87 km).
#1 Monroe
City in and the county seat of Green County, Wisconsin, United States
| Population | 1,236 |
| Coordinates | 42.6011200, -89.6384500 |
| Altitude | 322 |
| 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: 164 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 23m |
| 40 mph (64.37 km/h) | 02h 33m |
| 50 mph (80.47 km/h) | 02h 02m |
| 60 mph (96.56 km/h) | 01h 42m |
| 70 mph (112.65 km/h) | 01h 27m |
| 80 mph (129 km/h) | 01h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $13.58 | $27.15 |
| Mid-grade | $4.25 | $15.31 | $30.62 |
| Premium | $4.65 | $16.75 | $33.51 |
| Diesel | $5.30 | $19.09 | $38.19 |
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.