There are
524 mi
from Ukiah, CA to Rancho Cucamonga, CA
That's the driving distance. It would take 9 hours 51 mins to go from Ukiah, California to Rancho Cucamonga, California.
The flight distance (direct flight from Ukiah, CA to Rancho Cucamonga, CA) is 467.11 mi.
524 mi = 842.57 kms