There are
686 mi
from Danbury, CT to Elizabethton, TN
That's the driving distance. It would take 13 hours 17 mins to go from Danbury, Connecticut to Elizabethton, Tennessee.
The flight distance (direct flight from Danbury, CT to Elizabethton, TN) is 585.53 mi.
686 mi = 1,103.40 kms