There are
863 mi
from Chattanooga, TN to Norwalk, CT
That's the driving distance. It would take 16 hours 28 mins to go from Chattanooga, Tennessee to Norwalk, Connecticut.
The flight distance (direct flight from Chattanooga, TN to Norwalk, CT) is 770.26 mi.
863 mi = 1,388.36 kms