There are
2,672 mi
from Rancho Cucamonga, CA to Middletown, DE
That's the driving distance. It would take 1 day 23 hours to go from Rancho Cucamonga, California to Middletown, Delaware.
The flight distance (direct flight from Rancho Cucamonga, CA to Middletown, DE) is 2,325.62 mi.
2,672 mi = 4,300.59 kms