There are
836 mi
from Deerfield Beach, FL to Shelbyville, TN
That's the driving distance. It would take 15 hours 25 mins to go from Deerfield Beach, Florida to Shelbyville, Tennessee.
The flight distance (direct flight from Deerfield Beach, FL to Shelbyville, TN) is 736.56 mi.
836 mi = 1,345.05 kms