There are
1,190 mi
from Simi Valley, CA to Cheney, WA
That's the driving distance. It would take 22 hours 25 mins to go from Simi Valley, California to Cheney, Washington.
The flight distance (direct flight from Simi Valley, CA to Cheney, WA) is 915.41 mi.
1,190 mi = 1.61 kms