There are
452 mi
from Tucson, AZ to Rancho Cucamonga, CA
That's the driving distance. It would take 8 hours 5 mins to go from Tucson, Arizona to Rancho Cucamonga, California.
The flight distance (direct flight from Tucson, AZ to Rancho Cucamonga, CA) is 406.90 mi.
452 mi = 726.63 kms