How far is City of Janesville, WI from McMillan, WI?
The driving distance from City of Janesville, WI to McMillan, WI is about 183.1 miles (294.7 km), with a travel time of about 03h 31m by car.
- The straight-line flight distance is about 153.2 miles (246.6 km).
- For a round trip, plan for roughly 07h 02m 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 31m.
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.
Town in Marquette County, Wisconsin
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Partly Sunny
Driving Route Map
The map below follows the saved road route between City of Janesville and McMillan.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and McMillan.
-
1
Start on East Court Street
45 m · 6 sec · East Court Street
-
2
Turn right onto Harrison Street
156 m · 27 sec · Harrison Street
-
3
Turn left onto East Milwaukee Street
841 ft · 21 sec · East Milwaukee Street
-
4
Turn sharp right onto Milton Avenue
3.1 mi · 7 min · Milton Avenue
-
5
Take the exit slight left
1.3 km · 2 min
-
6
Merge slight left
61.3 mi · 1 hr 6 min
-
7
Keep slight right to continue on WI 78 South, I 39 North: Merrimac, Portage, Wausau
1128 ft · 15 sec
-
8
Continue on I 39 North: Portage, Wausau
80.2 mi · 1 hr 26 min
-
9
Take the exit slight right toward US 10 West: Marshfield
27.8 mi · 33 min · US Highway 10
-
10
Take the exit slight right toward WI 13, CTH A: Marshfield
1342 ft · 37 sec
-
11
Keep slight right
3.7 mi · 7 min
-
12
Turn right onto South Central Avenue
1.6 mi · 3 min · South Central Avenue
-
13
Turn left onto County Road E
3.9 mi · 7 min · County Road E
-
14
Turn left onto Turtle Ridge Road
16 m · 2 sec · Turtle Ridge Road
-
15
Arrive at your destination
0 m · 1 sec · Turtle Ridge Road
Car Route Details
A richer read on the saved driving route between City of Janesville and McMillan.
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 39 North
Continue on I 39 North: Portage, Wausau
80.2 mi · 01h 26m
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.
Chance Rain Showers leaving City of Janesville and Partly Sunny near McMillan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to McMillan?
The road trip is about 183.1 miles (294.7 km) and usually takes 03h 31m 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?
Westfield is a useful midpoint, sitting about 91.5 miles from City of Janesville and 91.6 miles from McMillan.
How much longer is the road route than the straight-line distance?
The direct path is about 153.2 miles (246.6 km), while the road route adds roughly 29.9 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 9:58 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.36 one way or $48.72 round trip. Estimated CO2 is about 57.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around City of Janesville and Partly Sunny near McMillan.
Stop Ideas Near Westfield
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 Westfield.
Westfield, WI
Wisconsin Dells
Portage
Waupaca, Wisconsin
Flight Path Map
This map shows the direct air route between City of Janesville and McMillan. Straight-line distance: 153.25 mi (246.63 km).
#1 City of Janesville
The most populous city in Rock County, Wisconsin.
| Population | 64,128 |
| Coordinates | 42.6857000, -89.0138500 |
| Altitude | 261 |
| Country | United States |
#2 McMillan
City in Marathon County, Wisconsin, United States of America
| Population | 2,102 |
| Coordinates | 44.7421900, -90.1634700 |
| Altitude | 387 |
| Country | United States |
End: McMillan (-90.16347, 44.74219)
Estimated Travel Time
Distance: 295 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 06m |
| 40 mph (64.37 km/h) | 04h 34m |
| 50 mph (80.47 km/h) | 03h 39m |
| 60 mph (96.56 km/h) | 03h 03m |
| 70 mph (112.65 km/h) | 02h 36m |
| 80 mph (129 km/h) | 02h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $24.36 | $48.72 |
| Mid-grade | $4.25 | $27.47 | $54.95 |
| Premium | $4.65 | $30.06 | $60.13 |
| Diesel | $5.30 | $34.26 | $68.53 |
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.