There are
214 mi
from Chattanooga, TN to Opelika, AL
That's the driving distance. It would take 3 hours 59 mins to go from Chattanooga, Tennessee to Opelika, Alabama.
The flight distance (direct flight from Chattanooga, TN to Opelika, AL) is 165.88 mi.
214 mi = 344.64 kms