There are
2,122 mi
from Missoula, MT to Sevierville, TN
That's the driving distance. It would take 1 day 13 hours to go from Missoula, Montana to Sevierville, Tennessee.
The flight distance (direct flight from Missoula, MT to Sevierville, TN) is 1,737.82 mi.
2,122 mi = 3.22 kms