There are
2,298 mi
from Flagstaff, AZ to Dover, DE
That's the driving distance. It would take 1 day 16 hours to go from Flagstaff, Arizona to Dover, Delaware.
The flight distance (direct flight from Flagstaff, AZ to Dover, DE) is 1,993.54 mi.
2,298 mi = 3,698.09 kms