There are
2,708 mi
from Montebello, CA to Middletown, DE
That's the driving distance. It would take 2 days to go from Montebello, California to Middletown, Delaware.
The flight distance (direct flight from Montebello, CA to Middletown, DE) is 2,355.63 mi.
2,708 mi = 4,357.48 kms