There are
1,802 mi
from Dayton, OH to Tempe, AZ
That's the driving distance. It would take 1 day 8 hours to go from Dayton, Ohio to Tempe, Arizona.
The flight distance (direct flight from Dayton, OH to Tempe, AZ) is 1,593.10 mi.
1,802 mi = 2,899.79 kms