There are
2,240 mi
from Ann Arbor, MI to Downey, CA
That's the driving distance. It would take 1 day 15 hours to go from Ann Arbor, Michigan to Downey, California.
The flight distance (direct flight from Ann Arbor, MI to Downey, CA) is 1,941.43 mi.
2,240 mi = 3.22 kms