There are
1,636 mi
from Kansas City, MO to Simi Valley, CA
That's the driving distance. It would take 1 day 4 hours to go from Kansas City, Missouri to Simi Valley, California.
The flight distance (direct flight from Kansas City, MO to Simi Valley, CA) is 1,377.40 mi.
1,636 mi = 1.61 kms