There are
757 mi
from Chattanooga, TN to Fort Lauderdale, FL
That's the driving distance. It would take 13 hours 50 mins to go from Chattanooga, Tennessee to Fort Lauderdale, Florida.
The flight distance (direct flight from Chattanooga, TN to Fort Lauderdale, FL) is 688.58 mi.
757 mi = 1,218.35 kms