There are
878 mi
from Deerfield Beach, FL to Mt Juliet, TN
That's the driving distance. It would take 16 hours 5 mins to go from Deerfield Beach, Florida to Mt Juliet, Tennessee.
The flight distance (direct flight from Deerfield Beach, FL to Mt Juliet, TN) is 780.45 mi.
878 mi = 1,413.03 kms