There are
397 mi
from Redwood City, CA to Rancho Cucamonga, CA
That's the driving distance. It would take 7 hours 31 mins to go from Redwood City, California to Rancho Cucamonga, California.
The flight distance (direct flight from Redwood City, CA to Rancho Cucamonga, CA) is 349.49 mi.
397 mi = 639.47 kms