How far is Lannon, WI from City of Janesville, WI?
The driving distance from Lannon, WI to City of Janesville, WI is about 72 miles (115.9 km), with a travel time of about 01h 23m by car.
- The straight-line flight distance is about 53.4 miles (85.9 km).
- For a round trip, plan for roughly 02h 46m 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 01h 23m.
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.
City in Jefferson County, Wisconsin, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Lannon and City of Janesville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lannon and City of Janesville.
-
1
Start on the route
820 ft · 1 min
-
2
At the end of the road, turn left onto West Good Hope Road
41 m · 5 sec · West Good Hope Road
-
3
Turn left onto West Main Street
1 mi · 2 min · West Main Street
-
4
Enter the roundabout and take exit 3 toward Town Line Road
39 m · 7 sec · Town Line Road
-
5
Exit the roundabout onto Town Line Road
2069 ft · 50 sec · Town Line Road
-
6
Turn right onto Main Street
1.3 mi · 2 min · Main Street
-
7
Turn left onto Waukesha Avenue
1.5 mi · 3 min · Waukesha Avenue
-
8
Continue on Redford Boulevard
4.4 mi · 7 min · Redford Boulevard
-
9
Take the ramp slight right
1793 ft · 44 sec
-
10
Merge slight left onto East-West Freeway
1.3 mi · 1 min · East-West Freeway
-
11
Keep slight left to continue on East-West Freeway
26.8 mi · 29 min · East-West Freeway
-
12
Take the exit slight right toward WI 26: Watertown, Johnson Creek
1094 ft · 27 sec
-
13
Keep slight left to continue on WI 26 South, I 94 Alternate: Johnson Creek, Jefferson, Fort Atkinson
97 m · 10 sec
-
14
Turn left
33.6 mi · 44 min
-
15
Turn left onto East Memorial Drive
80 m · 12 sec · East Memorial Drive
-
16
Continue on North Garfield Avenue
2552 ft · 2 min · North Garfield Avenue
-
17
Turn right onto East Court Street
142 m · 16 sec · East Court Street
-
18
Arrive at your destination
0 m · 1 sec · East Court Street
Car Route Details
A richer read on the saved driving route between Lannon and City of Janesville.
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
33.6 mi · 00h 44m
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.
Mostly Clear leaving Lannon and Showers And Thunderstorms Likely near City of Janesville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lannon to City of Janesville?
The road trip is about 72 miles (115.9 km) and usually takes 01h 23m 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?
Johnson Creek is a useful midpoint, sitting about 35.8 miles from Lannon and 36.2 miles from City of Janesville.
How much longer is the road route than the straight-line distance?
The direct path is about 53.4 miles (85.9 km), while the road route adds roughly 18.6 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 3:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.58 one way or $19.16 round trip. Estimated CO2 is about 22.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Lannon and Showers And Thunderstorms Likely near City of Janesville.
Stop Ideas Near Johnson Creek
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 Johnson Creek.
Columbus
Beaver Dam, WI
Janesville, Wisconsin
Madison (South), Wisconsin
Flight Path Map
This map shows the direct air route between Lannon and City of Janesville. Straight-line distance: 53.4 mi (85.94 km).
#1 Lannon
Village in Waukesha County, Wisconsin
| Population | 1,284 |
| Coordinates | 43.1461200, -88.1662000 |
| Altitude | 279 |
| Country | United States |
#2 City of Janesville
The most populous city in Rock County, Wisconsin.
| Population | 64,128 |
| Coordinates | 42.6857000, -89.0138500 |
| Altitude | 261 |
| Country | United States |
End: East Court Street (-89.013903, 42.685777)
Estimated Travel Time
Distance: 116 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 23m |
| 40 mph (64.37 km/h) | 01h 48m |
| 50 mph (80.47 km/h) | 01h 26m |
| 60 mph (96.56 km/h) | 01h 12m |
| 70 mph (112.65 km/h) | 01h 01m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.58 | $19.16 |
| Mid-grade | $4.25 | $10.80 | $21.61 |
| Premium | $4.65 | $11.82 | $23.64 |
| Diesel | $5.30 | $13.47 | $26.94 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.