There are
800 mi
from Deerfield Beach, FL to Maryville, TN
That's the driving distance. It would take 15 hours 4 mins to go from Deerfield Beach, Florida to Maryville, Tennessee.
The flight distance (direct flight from Deerfield Beach, FL to Maryville, TN) is 691.02 mi.
800 mi = 1,287.21 kms