There are
77 mi
from Simi Valley, CA to Rancho Cucamonga, CA
That's the driving distance. It would take 1 hour 32 mins to go from Simi Valley, California to Rancho Cucamonga, California.
The flight distance (direct flight from Simi Valley, CA to Rancho Cucamonga, CA) is 68.83 mi.
77 mi = 123.90 kms