There are
501 mi
from Chattanooga, TN to Westwego, LA
That's the driving distance. It would take 9 hours 10 mins to go from Chattanooga, Tennessee to Westwego, Louisiana.
The flight distance (direct flight from Chattanooga, TN to Westwego, LA) is 453.12 mi.
501 mi = 806.84 kms