There are
1,826 mi
from Layton, UT to Sevierville, TN
That's the driving distance. It would take 1 day 8 hours to go from Layton, Utah to Sevierville, Tennessee.
The flight distance (direct flight from Layton, UT to Sevierville, TN) is 1,570.74 mi.
1,826 mi = 2,939.46 kms