There are
717 mi
from New Rochelle, NY to Sevierville, TN
That's the driving distance. It would take 13 hours 36 mins to go from New Rochelle, New York to Sevierville, Tennessee.
The flight distance (direct flight from New Rochelle, NY to Sevierville, TN) is 633.35 mi.
717 mi = 1,154.35 kms