There are
1,645 mi
from Gallatin, TN to Centerville, UT
That's the driving distance. It would take 1 day 5 hours to go from Gallatin, Tennessee to Centerville, Utah.
The flight distance (direct flight from Gallatin, TN to Centerville, UT) is 1,401.79 mi.
1,645 mi = 2,647.03 kms