There are
816 mi
from Deerfield Beach, FL to Elizabethton, TN
That's the driving distance. It would take 15 hours 8 mins to go from Deerfield Beach, Florida to Elizabethton, Tennessee.
The flight distance (direct flight from Deerfield Beach, FL to Elizabethton, TN) is 704.07 mi.
816 mi = 1,312.87 kms