There are
1,837 mi
from Simi Valley, CA to Kirkwood, MO
That's the driving distance. It would take 1 day 8 hours to go from Simi Valley, California to Kirkwood, Missouri.
The flight distance (direct flight from Simi Valley, CA to Kirkwood, MO) is 1,598.71 mi.
1,837 mi = 1.61 kms