There are
49 mi
from Rancho Cucamonga, CA to San Jacinto, CA
That's the driving distance. It would take 1 hour 5 mins to go from Rancho Cucamonga, California to San Jacinto, California.
The flight distance (direct flight from Rancho Cucamonga, CA to San Jacinto, CA) is 42.63 mi.
49 mi = 79.52 kms