How far is Onalaska, WI from Mequon, WI?
The driving distance from Onalaska, WI to Mequon, WI is about 216.9 miles (349 km), with a travel time of about 03h 16m by car.
- The straight-line flight distance is about 167 miles (268.8 km).
- For a round trip, plan for roughly 06h 33m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 16m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in Columbia County, Wisconsin, United States of America
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 Onalaska and Mequon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Onalaska and Mequon.
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1
Start on 2nd Avenue North
1.6 mi · 4 min · 2nd Avenue North
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2
Turn left
134.2 mi · 2 hr 24 min
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3
Keep slight left to continue on I 94: Milwaukee
55.6 mi · 1 hr
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4
Take the exit slight right toward CTH F: Waukesha, Sussex
1479 ft · 32 sec
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5
Keep slight left to continue on CTH F North: Waukesha, Sussex
57 m · 6 sec
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6
Turn left onto Redford Boulevard
4.5 mi · 7 min · Redford Boulevard
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7
Continue on Waukesha Avenue
1.5 mi · 3 min · Waukesha Avenue
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8
Turn straight
114 m · 13 sec
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9
Turn straight onto Main Street
1.2 mi · 2 min · Main Street
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10
At the end of the road, turn left onto Town Line Road
2241 ft · 54 sec · Town Line Road
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11
Enter the roundabout and take exit 1 toward West Main Street
23 m · 4 sec · West Main Street
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12
Exit the roundabout onto West Main Street
1.3 mi · 2 min · West Main Street
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13
Turn left onto Lannon Road
4 mi · 8 min · Lannon Road
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14
Enter the roundabout and take exit 2 toward Lannon Road
33 m · 6 sec · Lannon Road
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15
Exit the roundabout onto Lannon Road
1.4 mi · 2 min · Lannon Road
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16
Continue on Mequon Road
5.6 mi · 10 min · Mequon Road
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17
Turn right
1514 ft · 3 min
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Onalaska and Mequon.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn left
134 mi · 02h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Onalaska and Sunny near Mequon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Onalaska to Mequon?
The road trip is about 216.9 miles (349 km) and usually takes 03h 16m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Dekorra is a useful midpoint, sitting about 105.8 miles from Onalaska and 111.1 miles from Mequon.
How much longer is the road route than the straight-line distance?
The direct path is about 167 miles (268.8 km), while the road route adds roughly 49.9 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:26 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.85 one way or $57.70 round trip. Estimated CO2 is about 68 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Onalaska and Sunny near Mequon.
Stop Ideas Near Dekorra
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 Dekorra.
Portage
Wisconsin Dells
Columbus
Madison, Wisconsin
Flight Path Map
This map shows the direct air route between Onalaska and Mequon. Straight-line distance: 167.01 mi (268.78 km).
#1 Onalaska
Fourth-class city in La Crosse County, Wisconsin
| Population | 5,766 |
| Coordinates | 43.8844100, -91.2351400 |
| Altitude | 216 |
| Country | United States |
#2 Mequon
Fourth-class city in Ozaukee County, Wisconsin
| Population | 24,765 |
| Coordinates | 43.2155500, -88.0300100 |
| Altitude | 204 |
| Country | United States |
End: (-88.02568, 43.218779)
Estimated Travel Time
Distance: 349 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 13m |
| 40 mph (64.37 km/h) | 05h 25m |
| 50 mph (80.47 km/h) | 04h 20m |
| 60 mph (96.56 km/h) | 03h 36m |
| 70 mph (112.65 km/h) | 03h 05m |
| 80 mph (129 km/h) | 02h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.85 | $57.70 |
| Mid-grade | $4.25 | $32.54 | $65.07 |
| Premium | $4.65 | $35.60 | $71.21 |
| Diesel | $5.30 | $40.58 | $81.15 |
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.