There are
113 mi
from San Diego, CA to Rancho Cucamonga, CA
That's the driving distance. It would take 2 hours 15 mins to go from San Diego, California to Rancho Cucamonga, California.
The flight distance (direct flight from San Diego, CA to Rancho Cucamonga, CA) is 99.35 mi.
113 mi = 182.15 kms