How far is Sparta, WI from City of Janesville, WI?
The driving distance from Sparta, WI to City of Janesville, WI is about 148.7 miles (239.3 km), with a travel time of about 02h 21m by car.
- The straight-line flight distance is about 125.5 miles (201.9 km).
- For a round trip, plan for roughly 04h 43m 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 02h 21m.
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.
Town in Wisconsin, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Partly Sunny
Driving Route Map
The map below follows the saved road route between Sparta and City of Janesville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Sparta and City of Janesville.
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1
Start on the route
31 m · 10 sec
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2
Turn right onto South Court Street
108 m · 21 sec · South Court Street
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3
Turn left onto West Oak Street
1909 ft · 55 sec · West Oak Street
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4
At the end of the road, turn right onto East Avenue
1256 ft · 35 sec · East Avenue
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5
Turn left onto East Wisconsin Street
3163 ft · 1 min · East Wisconsin Street
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6
Continue on State Highway 16
1286 ft · 24 sec · State Highway 16
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7
Enter the roundabout and take exit 2 toward East Wisconsin Street
33 m · 6 sec · East Wisconsin Street
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8
Exit the roundabout onto East Wisconsin Street
1.6 km · 1 min · East Wisconsin Street
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9
Continue on State Highway 16
1010 ft · 17 sec · State Highway 16
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10
Take the ramp left
2456 ft · 60 sec
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11
Merge slight left
108.4 mi · 1 hr 56 min
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12
Keep slight right to continue on I 39, I 90: Chicago
33.1 mi · 35 min
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13
Take the exit slight right
1240 ft · 30 sec
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14
Keep slight right to continue on WI 26: State Highway 26
1117 ft · 32 sec
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15
Keep slight right to continue on WI 26 South: Janesville
126 m · 10 sec
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16
Turn slight right onto Milton Avenue
2.3 mi · 5 min · Milton Avenue
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17
Turn left onto East Memorial Drive
80 m · 12 sec · East Memorial Drive
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18
Continue on North Garfield Avenue
2552 ft · 2 min · North Garfield Avenue
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19
Turn right onto East Court Street
142 m · 16 sec · East Court Street
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20
Arrive at your destination
0 m · 1 sec · East Court Street
Car Route Details
A richer read on the saved driving route between Sparta and City of Janesville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Highway 16
Merge slight left
108 mi · 01h 56m
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 Cloudy leaving Sparta and Partly Sunny near City of Janesville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Sparta to City of Janesville?
The road trip is about 148.7 miles (239.3 km) and usually takes 02h 21m 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?
Lewiston is a useful midpoint, sitting about 74 miles from Sparta and 74.7 miles from City of Janesville.
How much longer is the road route than the straight-line distance?
The direct path is about 125.5 miles (201.9 km), while the road route adds roughly 23.2 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 1:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.80 one way or $39.60 round trip. Estimated CO2 is about 46.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Sparta and Partly Sunny near City of Janesville.
Stop Ideas Near Lewiston
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 Lewiston.
Wisconsin Dells
Portage
Westfield, WI
Columbus
Flight Path Map
This map shows the direct air route between Sparta and City of Janesville. Straight-line distance: 125.45 mi (201.9 km).
#1 Sparta
City in and county seat of Monroe County, Wisconsin, United States
| Population | 3,290 |
| Coordinates | 43.9441300, -90.8129100 |
| Altitude | 241 |
| 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: 239 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 57m |
| 40 mph (64.37 km/h) | 03h 43m |
| 50 mph (80.47 km/h) | 02h 58m |
| 60 mph (96.56 km/h) | 02h 28m |
| 70 mph (112.65 km/h) | 02h 07m |
| 80 mph (129 km/h) | 01h 51m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $19.80 | $39.60 |
| Mid-grade | $4.25 | $22.33 | $44.66 |
| Premium | $4.65 | $24.43 | $48.87 |
| Diesel | $5.30 | $27.85 | $55.69 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.