There are
40 mi
from Rancho Cucamonga, CA to Irvine, CA
That's the driving distance. It would take 57 minutes to go from Rancho Cucamonga, California to Irvine, California.
The flight distance (direct flight from Rancho Cucamonga, CA to Irvine, CA) is 31.41 mi.
40 mi = 63.86 kms