There are
385 mi
from Rancho Cucamonga, CA to Oakley, CA
That's the driving distance. It would take 7 hours 17 mins to go from Rancho Cucamonga, California to Oakley, California.
The flight distance (direct flight from Rancho Cucamonga, CA to Oakley, CA) is 353.78 mi.
385 mi = 619.43 kms