There are
743 mi
from Norwalk, CT to Sevierville, TN
That's the driving distance. It would take 14 hours 11 mins to go from Norwalk, Connecticut to Sevierville, Tennessee.
The flight distance (direct flight from Norwalk, CT to Sevierville, TN) is 657.39 mi.
743 mi = 1,196.19 kms