There are
870 mi
from Boynton Beach, FL to Goodlettsville, TN
That's the driving distance. It would take 15 hours 57 mins to go from Boynton Beach, Florida to Goodlettsville, Tennessee.
The flight distance (direct flight from Boynton Beach, FL to Goodlettsville, TN) is 781.68 mi.
870 mi = 1,399.61 kms