How far is Marathon, WI from City of Janesville, WI?

The driving distance from Marathon, WI to City of Janesville, WI is about 174.7 miles (281.2 km), with a travel time of about 02h 47m by car.

  • The straight-line flight distance is about 160.4 miles (258.1 km).
  • For a round trip, plan for roughly 05h 34m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
174.74 mi
02h 47m
Flight
160.39 mi
258.12 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Marathon.

Flight Distance

Direct air line
160.39 mi
Kilometers
258.12 km
Flight Time
00h 19m

Driving Distance

Road route
174.74 mi
Kilometers
281.21 km
Drive Time
02h 47m

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 47m.

Arrival Snapshot
Arrive in City of Janesville
Tue, May 12, 9:33 PM CDT
Return by in Marathon
Wed, May 13, 12:21 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Marathon
2026-05-12T18:46
Arrive City of Janesville
Tue, May 12, 9:33 PM CDT
Route Timing
02h 47m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
10:47 AM to 12:47 PM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:56 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Marathon
9:30 PM CDT
Morning start is best

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.

Mid-route stop
Westfield
WI

Town in Marquette County, Wisconsin

From Marathon
91.3 mi
01h 23m
To City of Janesville
83.5 mi
01h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Tuesday

Rain Showers Likely

Starts
Tue, May 12 6:00 AM CDT
Wind
17 to 22 mph SSW
Destination
74°F
Tuesday

Chance Showers And Thunderstorms

Starts
Tue, May 12 6:00 AM CDT
Wind
10 to 20 mph SW

Driving Route Map

The map below follows the saved road route between Marathon and City of Janesville.

Turn-by-Turn Driving Directions

Step-by-step road directions between Marathon and City of Janesville.

  1. 1

    Start on Main Street

    1 mi · 2 min · Main Street

  2. 2

    Take the ramp right

    1358 ft · 37 sec

  3. 3

    Merge slight left

    7.7 mi · 9 min

  4. 4

    Keep slight left to continue on US 51 South: Green Bay, Madison

    4.5 mi · 6 min

  5. 5

    Keep slight left to continue on I 39 South, US 51 South: Stevens Point, Madison

    22.5 mi · 24 min

  6. 6

    Continue straight

    7.4 mi · 8 min

  7. 7

    Continue straight

    73.1 mi · 1 hr 18 min

  8. 8

    Keep slight right

    29.6 mi · 32 min

  9. 9

    Keep slight right to continue on I 39, I 90: Chicago

    33.1 mi · 35 min

  10. 10

    Take the exit slight right

    1240 ft · 30 sec

  11. 11

    Keep slight right to continue on WI 26: State Highway 26

    1117 ft · 32 sec

  12. 12

    Keep slight right to continue on WI 26 South: Janesville

    126 m · 10 sec

  13. 13

    Turn slight right onto Milton Avenue

    2.3 mi · 5 min · Milton Avenue

  14. 14

    Turn left onto East Memorial Drive

    80 m · 12 sec · East Memorial Drive

  15. 15

    Continue on North Garfield Avenue

    2552 ft · 2 min · North Garfield Avenue

  16. 16

    Turn right onto East Court Street

    142 m · 16 sec · East Court Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · East Court Street

Car Route Details

A richer read on the saved driving route between Marathon and City of Janesville.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
17 steps
3 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
9.7 / 100 mi
Decision points by distance
Main Roads
I 39 South
133 mi · 76%
I 39
33.3 mi · 19%
Main Street
8.94 mi · 5%
US 51 South
4.47 mi · 3%
Milton Avenue
2.35 mi · 1%
North Garfield Avenue
0.48 mi
Longest Stretch

I 39 South

Continue straight

73.1 mi · 01h 18m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 47m
Day trip friendly
Same-Day Return
05h 34m
Round-trip wheel time
Road vs Air
+14.3 mi
160.4 mi direct line
Halfway Stop
Westfield
01h 23m from Marathon
Leave By
12:56 PM CDT
Morning start is best
Weather Watch

Rain Showers Likely leaving Marathon and Chance Showers And Thunderstorms near City of Janesville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Marathon to City of Janesville?

The road trip is about 174.7 miles (281.2 km) and usually takes 02h 47m 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?

Westfield is a useful midpoint, sitting about 91.3 miles from Marathon and 83.5 miles from City of Janesville.

How much longer is the road route than the straight-line distance?

The direct path is about 160.4 miles (258.1 km), while the road route adds roughly 14.3 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:56 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.27 one way or $46.53 round trip. Estimated CO2 is about 54.8 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers Likely around Marathon and Chance Showers And Thunderstorms near City of Janesville.

Stop Ideas Near Westfield

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Westfield, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Westfield.

BUS

Westfield, WI

1 mi away
244 North Pioneer Park Road
RAIL

Wisconsin Dells

37 mi away
Superior and La Crosse Sts.
RAIL

Portage

38 mi away
400 West Oneida Street
BUS

Waupaca, Wisconsin

60 mi away
1222 West Fulton St.

Flight Path Map

This map shows the direct air route between Marathon and City of Janesville. Straight-line distance: 160.39 mi (258.12 km).

Marathon

#1 Marathon

Village in Marathon County, Wisconsin

Population1,103
Coordinates44.9291300, -89.8404000
Altitude391
CountryUnited States
City of Janesville

#2 City of Janesville

The most populous city in Rock County, Wisconsin.

Population64,128
Coordinates42.6857000, -89.0138500
Altitude261
CountryUnited States
Start: Main Street (-89.840242, 44.929131)
End: East Court Street (-89.013903, 42.685777)

Estimated Travel Time

Distance: 281 km by road

SpeedTime
30 mph (48.3 km/h)05h 49m
40 mph (64.37 km/h)04h 22m
50 mph (80.47 km/h)03h 29m
60 mph (96.56 km/h)02h 54m
70 mph (112.65 km/h)02h 29m
80 mph (129 km/h)02h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.17 gal
23.34 L · about $23.27
Round trip
$46.53
12.34 gal · 46.68 L
Estimated CO2
54.8 kg one way
Round trip: 109.7 kg / 242 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $23.27 $46.53
Mid-grade $4.25 $26.24 $52.48
Premium $4.65 $28.72 $57.43
Diesel $5.30 $32.73 $65.45

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 12, 2026

There is no time difference between Marathon and City of Janesville. The current time is 18:46:43.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.