There are
113 mi
from Chattanooga, TN to Alpharetta, GA
That's the driving distance. It would take 2 hours 20 mins to go from Chattanooga, Tennessee to Alpharetta, Georgia.
The flight distance (direct flight from Chattanooga, TN to Alpharetta, GA) is 88.50 mi.
113 mi = 181.08 kms