There are
326 mi
from Chattanooga, TN to Erlanger, KY
That's the driving distance. It would take 6 hours 20 mins to go from Chattanooga, Tennessee to Erlanger, Kentucky.
The flight distance (direct flight from Chattanooga, TN to Erlanger, KY) is 277.15 mi.
326 mi = 524.64 kms