There are
2,248 mi
from Farmington Hills, MI to Walnut, CA
That's the driving distance. It would take 1 day 15 hours to go from Farmington Hills, Michigan to Walnut, California.
The flight distance (direct flight from Farmington Hills, MI to Walnut, CA) is 1,943.16 mi.
2,248 mi = 3.22 kms