There are
604 mi
from Provo, UT to Rancho Cucamonga, CA
That's the driving distance. It would take 10 hours 29 mins to go from Provo, Utah to Rancho Cucamonga, California.
The flight distance (direct flight from Provo, UT to Rancho Cucamonga, CA) is 534.47 mi.
604 mi = 972.80 kms