There are
1,812 mi
from Waterloo, IA to Simi Valley, CA
That's the driving distance. It would take 1 day 8 hours to go from Waterloo, Iowa to Simi Valley, California.
The flight distance (direct flight from Waterloo, IA to Simi Valley, CA) is 1,532.63 mi.
1,812 mi = 2,916.75 kms