There are
358 mi
from Gilbert, AZ to Rancho Cucamonga, CA
That's the driving distance. It would take 6 hours 28 mins to go from Gilbert, Arizona to Rancho Cucamonga, California.
The flight distance (direct flight from Gilbert, AZ to Rancho Cucamonga, CA) is 337.50 mi.
358 mi = 575.89 kms