There are
1,659 mi
from Gallatin, TN to Orem, UT
That's the driving distance. It would take 1 day 5 hours to go from Gallatin, Tennessee to Orem, Utah.
The flight distance (direct flight from Gallatin, TN to Orem, UT) is 1,389.65 mi.
1,659 mi = 2,669.83 kms