There are
624 mi
from Chattanooga, TN to Eunice, LA
That's the driving distance. It would take 11 hours 31 mins to go from Chattanooga, Tennessee to Eunice, Louisiana.
The flight distance (direct flight from Chattanooga, TN to Eunice, LA) is 518.79 mi.
624 mi = 1,004.15 kms