There are
91 mi
from Schaumburg, IL to Oconomowoc, WI
That's the driving distance. It would take 2 hours 9 mins to go from Schaumburg, Illinois to Oconomowoc, Wisconsin.
The flight distance (direct flight from Schaumburg, IL to Oconomowoc, WI) is 77.45 mi.
91 mi = 147.14 kms