How far is City of Janesville, WI from Darien, WI?
The driving distance from City of Janesville, WI to Darien, WI is about 19.6 miles (31.5 km), with a travel time of about 00h 30m by car.
- The straight-line flight distance is about 16.6 miles (26.7 km).
- For a round trip, plan for roughly 01h 01m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 30m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Rock County, Wisconsin, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between City of Janesville and Darien.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and Darien.
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1
Start on East Court Street
582 ft · 21 sec · East Court Street
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2
Turn right onto Ruger Avenue
2483 ft · 1 min · Ruger Avenue
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3
Turn right onto South Randall Avenue
2670 ft · 1 min · South Randall Avenue
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4
Turn left onto East Racine Street
1 mi · 2 min · East Racine Street
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5
Continue on East Racine Street
136 m · 8 sec · East Racine Street
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6
Enter the roundabout and take exit 2 toward East Racine Street
44 m · 8 sec · East Racine Street
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7
Exit the roundabout onto East Racine Street
669 ft · 13 sec · East Racine Street
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8
Enter the roundabout and take exit 1 toward East Racine Street
34 m · 7 sec · East Racine Street
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9
Exit the roundabout onto East Racine Street
1.3 mi · 2 min · East Racine Street
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10
Turn straight
11.2 mi · 15 min
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11
Continue straight
4.4 mi · 7 min
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12
Turn left onto East Beloit Street
570 ft · 19 sec · East Beloit Street
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13
Turn left onto Wisconsin Street
153 m · 14 sec · Wisconsin Street
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14
Turn right onto East Fremont Street
17 m · 2 sec · East Fremont Street
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15
Arrive at your destination
0 m · 1 sec · East Fremont Street
Car Route Details
A richer read on the saved driving route between City of Janesville and Darien.
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.
Longest stretch
Turn straight
11.2 mi · 00h 15m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving City of Janesville and Sunny near Darien.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to Darien?
The road trip is about 19.6 miles (31.5 km) and usually takes 00h 30m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Johnstown is a useful midpoint, sitting about 9.8 miles from City of Janesville and 9.8 miles from Darien.
How much longer is the road route than the straight-line distance?
The direct path is about 16.6 miles (26.7 km), while the road route adds roughly 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:28 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.60 one way or $5.20 round trip. Estimated CO2 is about 6.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around City of Janesville and Sunny near Darien.
Stop Ideas Near Johnstown
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 Johnstown.
Janesville, Wisconsin
South Beloit, Illinois
Rockford, Illinois
Madison (South), Wisconsin
Flight Path Map
This map shows the direct air route between City of Janesville and Darien. Straight-line distance: 16.61 mi (26.73 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 Darien
Civil town in Walworth County, Wisconsin
| Population | 1,710 |
| Coordinates | 42.6016800, -88.7076000 |
| Altitude | 289 |
| Country | United States |
End: Darien (-88.7076, 42.60168)
Estimated Travel Time
Distance: 31 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 39m |
| 40 mph (64.37 km/h) | 00h 29m |
| 50 mph (80.47 km/h) | 00h 23m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.60 | $5.20 |
| Mid-grade | $4.25 | $2.93 | $5.87 |
| Premium | $4.65 | $3.21 | $6.42 |
| Diesel | $5.30 | $3.66 | $7.32 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.