There are
386 mi
from Farmington Hills, MI to Oconomowoc, WI
That's the driving distance. It would take 7 hours 24 mins to go from Farmington Hills, Michigan to Oconomowoc, Wisconsin.
The flight distance (direct flight from Farmington Hills, MI to Oconomowoc, WI) is 261.19 mi.
386 mi = 621.01 kms