How far is Mercer, WI from New Berlin, WI?
The driving distance from Mercer, WI to New Berlin, WI is about 289.9 miles (466.6 km), with a travel time of about 04h 42m by car.
- The straight-line flight distance is about 240.4 miles (386.9 km).
- For a round trip, plan for roughly 09h 24m 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 04h 42m.
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.
Village in Portage County, Wisconsin
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Mercer and New Berlin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Mercer and New Berlin.
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1
Start on US 51
32.8 mi · 49 min · US 51
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2
Continue on Oneida Street
71.1 mi · 1 hr 29 min · Oneida Street
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3
Keep slight left to continue on I 39 South, US 51 South: Stevens Point, Madison
22.5 mi · 24 min
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4
Continue straight
7.4 mi · 8 min
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5
Take the exit slight right toward US 10 East, WI 66 West: Stevens Point, Waupaca, Appleton
2035 ft · 58 sec
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6
Keep slight right to continue on US 10 East: Appleton, Waupaca
50.9 mi · 1 hr 1 min
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7
Keep slight right to continue on US 45 South: Oshkosh
12.3 mi · 14 min
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8
Take the exit slight left toward I 41 South: Milwaukee
1.1 mi · 1 min
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9
Merge slight left
83.1 mi · 1 hr 33 min
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10
Take the exit slight right toward National Avenue
1364 ft · 34 sec
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11
Turn right onto West National Avenue
1.1 mi · 2 min · West National Avenue
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12
Continue on West Oklahoma Avenue
1 km · 1 min · West Oklahoma Avenue
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13
Continue on West National Avenue
2.3 mi · 5 min · West National Avenue
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14
Arrive at your destination
0 m · 1 sec · West National Avenue
Car Route Details
A richer read on the saved driving route between Mercer and New Berlin.
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 41 South
Merge slight left
83.1 mi · 01h 33m
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.
Partly Sunny leaving Mercer and Chance Rain Showers near New Berlin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Mercer to New Berlin?
The road trip is about 289.9 miles (466.6 km) and usually takes 04h 42m 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?
Nelsonville is a useful midpoint, sitting about 142.9 miles from Mercer and 147.1 miles from New Berlin.
How much longer is the road route than the straight-line distance?
The direct path is about 240.4 miles (386.9 km), while the road route adds roughly 49.5 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 7:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.58 one way or $77.15 round trip. Estimated CO2 is about 90.9 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Mercer and Chance Rain Showers near New Berlin.
Stop Ideas Near Nelsonville
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 Nelsonville.
Stevens Point, WI
Stevens Point, Wisconsin
Waupaca, Wisconsin
Wittenberg, WI
Flight Path Map
This map shows the direct air route between Mercer and New Berlin. Straight-line distance: 240.4 mi (386.89 km).
#1 Mercer
Civil town in Iron County, Wisconsin
| Population | 1,387 |
| Coordinates | 46.1655000, -90.0626600 |
| Altitude | 488 |
| Country | United States |
#2 New Berlin
A city in Waukesha County, Wisconsin.
| Population | 39,812 |
| Coordinates | 42.9764000, -88.1084200 |
| Altitude | 281 |
| Country | United States |
End: South Moorland Road (-88.108392, 42.976412)
Estimated Travel Time
Distance: 467 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 39m |
| 40 mph (64.37 km/h) | 07h 14m |
| 50 mph (80.47 km/h) | 05h 47m |
| 60 mph (96.56 km/h) | 04h 49m |
| 70 mph (112.65 km/h) | 04h 08m |
| 80 mph (129 km/h) | 03h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $38.58 | $77.15 |
| Mid-grade | $4.25 | $43.51 | $87.02 |
| Premium | $4.65 | $47.61 | $95.22 |
| Diesel | $5.30 | $54.26 | $108.52 |
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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.