There are
541 mi
from Farmington Hills, MI to Wausau, WI
That's the driving distance. It would take 10 hours 21 mins to go from Farmington Hills, Michigan to Wausau, Wisconsin.
The flight distance (direct flight from Farmington Hills, MI to Wausau, WI) is 354.10 mi.
541 mi = 869.86 kms