There are
504 mi
from Simi Valley, CA to Cottonwood, AZ
That's the driving distance. It would take 9 hours 13 mins to go from Simi Valley, California to Cottonwood, Arizona.
The flight distance (direct flight from Simi Valley, CA to Cottonwood, AZ) is 386.82 mi.
504 mi = 811.82 kms