There are
1,712 mi
from Middletown, OH to Flagstaff, AZ
That's the driving distance. It would take 1 day 6 hours to go from Middletown, Ohio to Flagstaff, Arizona.
The flight distance (direct flight from Middletown, OH to Flagstaff, AZ) is 1,519.33 mi.
1,712 mi = 2,754.56 kms