There are
116 mi
from Chattanooga, TN to Smyrna, TN
That's the driving distance. It would take 2 hours 13 mins to go from Chattanooga, Tennessee to Smyrna, Tennessee.
The flight distance (direct flight from Chattanooga, TN to Smyrna, TN) is 93.89 mi.
116 mi = 185.88 kms