There are
1,714 mi
from Dayton, OH to Flagstaff, AZ
That's the driving distance. It would take 1 day 6 hours to go from Dayton, Ohio to Flagstaff, Arizona.
The flight distance (direct flight from Dayton, OH to Flagstaff, AZ) is 1,531.17 mi.
1,714 mi = 1.61 kms