How far is City of Janesville, WI from Lannon, WI?
The driving distance from City of Janesville, WI to Lannon, WI is about 72 miles (115.8 km), with a travel time of about 01h 33m by car.
- The straight-line flight distance is about 53.4 miles (85.9 km).
- For a round trip, plan for roughly 03h 06m 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 33m.
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.
Showers And Thunderstorms Likely
Mostly Clear
Driving Route Map
The map below follows the saved road route between City of Janesville and Lannon.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and Lannon.
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1
Start on East Court Street
45 m · 6 sec · East Court Street
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2
Turn right onto Harrison Street
156 m · 27 sec · Harrison Street
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3
Turn left onto East Milwaukee Street
841 ft · 21 sec · East Milwaukee Street
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4
Turn sharp right onto Milton Avenue
14.2 mi · 21 min · Milton Avenue
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5
Continue straight
19.9 mi · 24 min
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6
Take the exit right
1793 ft · 43 sec
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7
Merge slight left
28 mi · 30 min
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8
Take the exit slight right toward CTH F: Waukesha, Sussex
1479 ft · 32 sec
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9
Keep slight left to continue on CTH F North: Waukesha, Sussex
57 m · 6 sec
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10
Turn left onto Redford Boulevard
4.5 mi · 7 min · Redford Boulevard
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11
Continue on Waukesha Avenue
1.5 mi · 3 min · Waukesha Avenue
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12
Turn straight
114 m · 13 sec
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13
Turn straight onto Main Street
1.2 mi · 2 min · Main Street
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14
At the end of the road, turn left onto Town Line Road
2241 ft · 54 sec · Town Line Road
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15
Enter the roundabout and take exit 1 toward West Main Street
23 m · 4 sec · West Main Street
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16
Exit the roundabout onto West Main Street
1 mi · 2 min · West Main Street
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17
Turn right onto West Good Hope Road
41 m · 6 sec · West Good Hope Road
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18
Turn right
580 ft · 43 sec
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19
Turn right
73 m · 18 sec
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20
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between City of Janesville and Lannon.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Milton Avenue
Merge slight left
28 mi · 00h 30m
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.
Showers And Thunderstorms Likely leaving City of Janesville and Mostly Clear near Lannon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to Lannon?
The road trip is about 72 miles (115.8 km) and usually takes 01h 33m 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 35.9 miles from City of Janesville and 36 miles from Lannon.
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 3:24 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 Showers And Thunderstorms Likely around City of Janesville and Mostly Clear near Lannon.
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 City of Janesville and Lannon. Straight-line distance: 53.4 mi (85.94 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 Lannon
Village in Waukesha County, Wisconsin
| Population | 1,284 |
| Coordinates | 43.1461200, -88.1662000 |
| Altitude | 279 |
| Country | United States |
End: Lannon (-88.1662, 43.14612)
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 47m |
| 50 mph (80.47 km/h) | 01h 26m |
| 60 mph (96.56 km/h) | 01h 11m |
| 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.