There are
2,268 mi
from Simi Valley, CA to Ypsilanti, MI
That's the driving distance. It would take 1 day 16 hours to go from Simi Valley, California to Ypsilanti, Michigan.
The flight distance (direct flight from Simi Valley, CA to Ypsilanti, MI) is 1,970.44 mi.
2,268 mi = 3.22 kms