There are
2,660 mi
from Rancho Cucamonga, CA to Elkton, MD
That's the driving distance. It would take 1 day 23 hours to go from Rancho Cucamonga, California to Elkton, Maryland.
The flight distance (direct flight from Rancho Cucamonga, CA to Elkton, MD) is 2,318.62 mi.
2,660 mi = 3.22 kms