Miles between Detroit, MI and Janesville, WI

There are
391 mi
from Detroit, MI to Janesville, WI

That's the driving distance. It would take 7 hours 33 mins to go from Detroit, Michigan to Janesville, Wisconsin.

The flight distance (direct flight from Detroit, MI to Janesville, WI) is 305.13 mi.

391 mi = 629.19 kms