Miles between Decatur, IL and Janesville, WI

There are
209 mi
from Decatur, IL to Janesville, WI

That's the driving distance. It would take 4 hours 5 mins to go from Decatur, Illinois to Janesville, Wisconsin.

The flight distance (direct flight from Decatur, IL to Janesville, WI) is 196.43 mi.

209 mi = 336.56 kms