There are
133 mi
from Joliet, IL to Oconomowoc, WI
That's the driving distance. It would take 3 hours 3 mins to go from Joliet, Illinois to Oconomowoc, Wisconsin.
The flight distance (direct flight from Joliet, IL to Oconomowoc, WI) is 111.69 mi.
133 mi = 214.28 kms