There are
281 mi
from Chattanooga, TN to Lyndon, KY
That's the driving distance. It would take 5 hours 37 mins to go from Chattanooga, Tennessee to Lyndon, Kentucky.
The flight distance (direct flight from Chattanooga, TN to Lyndon, KY) is 222.45 mi.
281 mi = 451.56 kms