Miles between Chattanooga, TN and Decatur, GA

There are
122 mi
from Chattanooga, TN to Decatur, GA

That's the driving distance. It would take 2 hours 23 mins to go from Chattanooga, Tennessee to Decatur, Georgia.

The flight distance (direct flight from Chattanooga, TN to Decatur, GA) is 105.10 mi.

122 mi = 195.74 kms