There are
453 mi
from Rancho Cucamonga, CA to Tucson, AZ
That's the driving distance. It would take 8 hours 5 mins to go from Rancho Cucamonga, California to Tucson, Arizona.
The flight distance (direct flight from Rancho Cucamonga, CA to Tucson, AZ) is 406.90 mi.
453 mi = 728.23 kms