There are
1,674 mi
from Dayton, OH to Spanish Fork, UT
That's the driving distance. It would take 1 day 5 hours to go from Dayton, Ohio to Spanish Fork, Utah.
The flight distance (direct flight from Dayton, OH to Spanish Fork, UT) is 1,449.33 mi.
1,674 mi = 2,694.29 kms