How far is Big Flats, WI from Wauwatosa, WI?
The driving distance from Big Flats, WI to Wauwatosa, WI is about 157 miles (252.7 km), with a travel time of about 02h 26m by car.
- The straight-line flight distance is about 116.2 miles (187 km).
- For a round trip, plan for roughly 04h 53m 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 02h 26m.
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.
Village in Dane County, Wisconsin
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 Big Flats and Wauwatosa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Big Flats and Wauwatosa.
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1
Start on the route
6 m · 6 sec
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2
Turn left onto State Highway 13
6.1 mi · 8 min · State Highway 13
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3
Turn left onto State Highway 21
14.6 mi · 20 min · State Highway 21
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4
Take the exit right toward Portage
1657 ft · 41 sec
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5
Merge slight left
38.6 mi · 41 min
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6
Keep slight right
29.6 mi · 32 min
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7
Keep slight left to continue on I 94: Milwaukee
64.2 mi · 1 hr 10 min
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8
Take the exit slight right toward I 41, I 894, US 45: Chicago, Fond du Lac
3167 ft · 1 min
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9
Keep slight right to continue on I 41 North, US 45 North: Fond du Lac
1.3 km · 1 min
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10
Merge slight left onto Zoo Freeway
2848 ft · 44 sec · Zoo Freeway
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11
Take the exit slight right toward Watertown Plank Road
852 ft · 21 sec
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12
Keep slight right to continue on Watertown Plank Road East
719 ft · 25 sec
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13
Turn straight onto West Watertown Plank Road
1.4 km · 2 min · West Watertown Plank Road
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14
Continue on Harwood Avenue
1576 ft · 52 sec · Harwood Avenue
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15
Turn left onto Harmonee Avenue
822 ft · 32 sec · Harmonee Avenue
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16
Turn right onto West Menomonee River Parkway
152 m · 21 sec · West Menomonee River Parkway
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17
Arrive at your destination
0 m · 1 sec · West State Street
Car Route Details
A richer read on the saved driving route between Big Flats and Wauwatosa.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 94
Keep slight left to continue on I 94: Milwaukee
64.2 mi · 01h 10m
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.
Sunny leaving Big Flats and Sunny near Wauwatosa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Big Flats to Wauwatosa?
The road trip is about 157 miles (252.7 km) and usually takes 02h 26m 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?
De Forest is a useful midpoint, sitting about 78.4 miles from Big Flats and 78.6 miles from Wauwatosa.
How much longer is the road route than the straight-line distance?
The direct path is about 116.2 miles (187 km), while the road route adds roughly 40.8 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 1:36 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $20.89 one way or $41.78 round trip. Estimated CO2 is about 49.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Big Flats and Sunny near Wauwatosa.
Stop Ideas Near De Forest
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 De Forest.
Madison, Wisconsin
Madison (South), Wisconsin
Columbus
Portage
Flight Path Map
This map shows the direct air route between Big Flats and Wauwatosa. Straight-line distance: 116.22 mi (187.04 km).
#1 Big Flats
Civil town in Adams County, Wisconsin
| Population | 1,013 |
| Coordinates | 44.1119100, -89.8079000 |
| Altitude | 305 |
| Country | United States |
#2 Wauwatosa
A city in Milwaukee County, Wisconsin.
| Population | 48,084 |
| Coordinates | 43.0494600, -88.0075900 |
| Altitude | 203 |
| Country | United States |
End: West State Street (-88.007649, 43.049316)
Estimated Travel Time
Distance: 253 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 13m |
| 40 mph (64.37 km/h) | 03h 55m |
| 50 mph (80.47 km/h) | 03h 08m |
| 60 mph (96.56 km/h) | 02h 37m |
| 70 mph (112.65 km/h) | 02h 14m |
| 80 mph (129 km/h) | 01h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $20.89 | $41.78 |
| Mid-grade | $4.25 | $23.56 | $47.12 |
| Premium | $4.65 | $25.78 | $51.57 |
| Diesel | $5.30 | $29.38 | $58.77 |
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 · Apr 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.