There are
331 mi
from Chattanooga, TN to Seymour, IN
That's the driving distance. It would take 6 hours 32 mins to go from Chattanooga, Tennessee to Seymour, Indiana.
The flight distance (direct flight from Chattanooga, TN to Seymour, IN) is 272.29 mi.
331 mi = 532.31 kms