How far is City of Janesville, WI from Westport, WI?
The driving distance from City of Janesville, WI to Westport, WI is about 110.9 miles (178.4 km), with a travel time of about 02h 35m by car.
- The straight-line flight distance is about 89.8 miles (144.5 km).
- For a round trip, plan for roughly 05h 11m 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 35m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between City of Janesville and Westport.
Turn-by-Turn Driving Directions
Step-by-step road directions between City of Janesville and Westport.
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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
3.1 mi · 7 min · Milton Avenue
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5
Take the exit slight left
1.3 km · 2 min
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6
Merge slight left
27.6 mi · 30 min
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7
Take the exit slight right toward US 12, US 18: Madison, Cambridge
2097 ft · 51 sec
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8
Keep slight left to continue on US 12 West, US 18 West, I 39 Alternate: Madison
1630 ft · 40 sec
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9
Continue on US 12 West, US 18 West, I 39 Alternate: Madison
1 km · 1 min
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10
Merge slight left onto South Beltline Highway
14.5 mi · 20 min · South Beltline Highway
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11
Take the exit slight right toward Greenway Boulevard
1374 ft · 36 sec
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12
Turn left onto Greenway Boulevard
1216 ft · 48 sec · Greenway Boulevard
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13
Turn right onto John Q Hammons Drive
1354 ft · 40 sec · John Q Hammons Drive
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14
Enter the roundabout and take exit 1 toward Deming Way
6 m · 1 sec · Deming Way
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15
Exit the roundabout onto Deming Way
1320 ft · 39 sec · Deming Way
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16
Turn left onto University Avenue
6.4 mi · 9 min · University Avenue
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17
Continue on Main Street
5.9 mi · 10 min · Main Street
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18
Continue on State Street
2491 ft · 1 min · State Street
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19
Continue on US Highway 14
2.9 mi · 4 min · US Highway 14
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20
Continue on East Commercial Street
1.4 km · 2 min · East Commercial Street
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21
Continue on US Highway 14
26.2 mi · 37 min · US Highway 14
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22
Turn left onto State Highway 60
19.5 mi · 29 min · State Highway 60
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23
Arrive at your destination
0 m · 1 sec · State Highway 60
Car Route Details
A richer read on the saved driving route between City of Janesville and Westport.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Milton Avenue
Merge slight left
27.6 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.
Sunny leaving City of Janesville and Partly Sunny near Westport.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from City of Janesville to Westport?
The road trip is about 110.9 miles (178.4 km) and usually takes 02h 35m 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?
Cross Plains is a useful midpoint, sitting about 55.4 miles from City of Janesville and 55.6 miles from Westport.
How much longer is the road route than the straight-line distance?
The direct path is about 89.8 miles (144.5 km), while the road route adds roughly 21.1 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 1:18 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.74 one way or $29.49 round trip. Estimated CO2 is about 34.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around City of Janesville and Partly Sunny near Westport.
Stop Ideas Near Cross Plains
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 Cross Plains.
Madison, Wisconsin
Madison (South), Wisconsin
Portage
Columbus
Flight Path Map
This map shows the direct air route between City of Janesville and Westport. Straight-line distance: 89.79 mi (144.5 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 Westport
Unincorporated community in Richland County, Wisconsin
| Population | 4,225 |
| Coordinates | 43.2049800, -90.6412400 |
| Altitude | 202 |
| Country | United States |
End: Westport (-90.64124, 43.20498)
Estimated Travel Time
Distance: 178 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 41m |
| 40 mph (64.37 km/h) | 02h 46m |
| 50 mph (80.47 km/h) | 02h 13m |
| 60 mph (96.56 km/h) | 01h 50m |
| 70 mph (112.65 km/h) | 01h 35m |
| 80 mph (129 km/h) | 01h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $14.74 | $29.49 |
| Mid-grade | $4.25 | $16.63 | $33.26 |
| Premium | $4.65 | $18.20 | $36.39 |
| Diesel | $5.30 | $20.74 | $41.48 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.