There are
2,334 mi
from Gilbert, AZ to Middletown, DE
That's the driving distance. It would take 1 day 18 hours to go from Gilbert, Arizona to Middletown, Delaware.
The flight distance (direct flight from Gilbert, AZ to Middletown, DE) is 2,035.67 mi.
2,334 mi = 3,756.49 kms