How far is City of Janesville, WI from Lake Mills, WI?

The driving distance from City of Janesville, WI to Lake Mills, WI is about 32.1 miles (51.6 km), with a travel time of about 00h 47m by car.

  • The straight-line flight distance is about 27.8 miles (44.8 km).
  • For a round trip, plan for roughly 01h 35m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
32.05 mi
00h 47m
Flight
27.82 mi
44.78 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from City of Janesville.

Flight Distance

Direct air line
27.82 mi
Kilometers
44.78 km
Flight Time
00h 03m

Driving Distance

Road route
32.05 mi
Kilometers
51.58 km
Drive Time
00h 47m

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 00h 47m.

Arrival Snapshot
Arrive in Lake Mills
Sun, Apr 19, 8:00 AM CDT
Return by in City of Janesville
Sun, Apr 19, 8:47 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave City of Janesville
2026-04-19T07:12
Arrive Lake Mills
Sun, Apr 19, 8:00 AM CDT
Route Timing
00h 47m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
8:48 AM to 10:48 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:54 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in City of Janesville
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Koshkonong
WI

Civil town in Jefferson County, Wisconsin

From City of Janesville
16 mi
00h 23m
To Lake Mills
16 mi
00h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
49°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 to 15 mph W
Destination
49°F
Sunday

Mostly Sunny

Starts
Sun, Apr 19 6:00 AM CDT
Wind
10 to 15 mph NW

Driving Route Map

The map below follows the saved road route between City of Janesville and Lake Mills.

Turn-by-Turn Driving Directions

Step-by-step road directions between City of Janesville and Lake Mills.

  1. 1

    Start on East Court Street

    45 m · 6 sec · East Court Street

  2. 2

    Turn right onto Harrison Street

    156 m · 27 sec · Harrison Street

  3. 3

    Turn left onto East Milwaukee Street

    841 ft · 21 sec · East Milwaukee Street

  4. 4

    Turn sharp right onto Milton Avenue

    14.2 mi · 21 min · Milton Avenue

  5. 5

    Continue straight

    6.8 mi · 8 min

  6. 6

    Take the exit slight right toward US 12: Madison, Fort Atkinson

    1123 ft · 27 sec

  7. 7

    Turn left

    1.8 mi · 3 min

  8. 8

    Turn right onto County Road G

    5.9 mi · 10 min · County Road G

  9. 9

    Turn left onto State Highway 89

    1.8 mi · 3 min · State Highway 89

  10. 10

    Continue on South Main Street

    1.2 mi · 2 min · South Main Street

  11. 11

    Turn left onto West Madison Street

    10 m · 1 sec · West Madison Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · West Madison Street

Car Route Details

A richer read on the saved driving route between City of Janesville and Lake Mills.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
12 steps
7 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
37.4 / 100 mi
Decision points by distance
Main Roads
Milton Avenue
20.9 mi · 65%
County Road G
5.85 mi · 18%
State Highway 89
1.79 mi · 6%
South Main Street
1.21 mi · 4%
US 12
0.21 mi · 1%
East Milwaukee Street
0.16 mi
Longest Stretch

Milton Avenue

Turn sharp right onto Milton Avenue

14.2 mi · 00h 21m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 47m
Day trip friendly
Same-Day Return
01h 36m
Round-trip wheel time
Road vs Air
+4.3 mi
27.8 mi direct line
Halfway Stop
Koshkonong
00h 23m from City of Janesville
Leave By
4:54 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving City of Janesville and Mostly Sunny near Lake Mills.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from City of Janesville to Lake Mills?

The road trip is about 32.1 miles (51.6 km) and usually takes 00h 47m 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?

Koshkonong is a useful midpoint, sitting about 16 miles from City of Janesville and 16 miles from Lake Mills.

How much longer is the road route than the straight-line distance?

The direct path is about 27.8 miles (44.8 km), while the road route adds roughly 4.3 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 4:54 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.26 one way or $8.52 round trip. Estimated CO2 is about 10 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around City of Janesville and Mostly Sunny near Lake Mills.

Stop Ideas Near Koshkonong

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Koshkonong, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Koshkonong.

BUS

Janesville, Wisconsin

15 mi away
3120 North Pontiac Drive
BUS

Madison (South), Wisconsin

39 mi away
Hwy 51 & East Broadway Ave.
BUS

South Beloit, Illinois

40 mi away
15766 Manchester Road
BUS

Madison, Wisconsin

47 mi away
800 Langdon St.

Flight Path Map

This map shows the direct air route between City of Janesville and Lake Mills. Straight-line distance: 27.82 mi (44.78 km).

City of Janesville

#1 City of Janesville

The most populous city in Rock County, Wisconsin.

Population64,128
Coordinates42.6857000, -89.0138500
Altitude261
CountryUnited States
Lake Mills

#2 Lake Mills

City in Iowa, USA

Population2,135
Coordinates43.0813900, -88.9117700
Altitude256
CountryUnited States
Start: City of Janesville (-89.01385, 42.6857)
End: Lake Mills (-88.91177, 43.08139)

Estimated Travel Time

Distance: 52 km by road

SpeedTime
30 mph (48.3 km/h)01h 04m
40 mph (64.37 km/h)00h 48m
50 mph (80.47 km/h)00h 38m
60 mph (96.56 km/h)00h 32m
70 mph (112.65 km/h)00h 27m
80 mph (129 km/h)00h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.13 gal
4.28 L · about $4.26
Round trip
$8.52
2.26 gal · 8.56 L
Estimated CO2
10 kg one way
Round trip: 20.1 kg / 44 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $4.26 $8.52
Mid-grade $4.25 $4.81 $9.61
Premium $4.65 $5.26 $10.52
Diesel $5.30 $5.99 $11.99

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 19, 2026

There is no time difference between City of Janesville and Lake Mills. The current time is 07:12:13.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.