There are
545 mi
from Chattanooga, TN to Thibodaux, LA
That's the driving distance. It would take 10 hours 8 mins to go from Chattanooga, Tennessee to Thibodaux, Louisiana.
The flight distance (direct flight from Chattanooga, TN to Thibodaux, LA) is 484.54 mi.
545 mi = 877.36 kms