There are
2,815 mi
from Rancho Cucamonga, CA to Derby, CT
That's the driving distance. It would take 2 days 2 hours to go from Rancho Cucamonga, California to Derby, Connecticut.
The flight distance (direct flight from Rancho Cucamonga, CA to Derby, CT) is 2,455.38 mi.
2,815 mi = 3.22 kms