There are
1,398 mi
from Cheyenne, WY to Sevierville, TN
That's the driving distance. It would take 1 day 1 hour to go from Cheyenne, Wyoming to Sevierville, Tennessee.
The flight distance (direct flight from Cheyenne, WY to Sevierville, TN) is 1,202.19 mi.
1,398 mi = 2,249.31 kms