There are
814 mi
from Chattanooga, TN to Elmira, NY
That's the driving distance. It would take 15 hours 31 mins to go from Chattanooga, Tennessee to Elmira, New York.
The flight distance (direct flight from Chattanooga, TN to Elmira, NY) is 668.52 mi.
814 mi = 1,309.87 kms