There are
904 mi
from Boynton Beach, FL to Clarksville, TN
That's the driving distance. It would take 16 hours 37 mins to go from Boynton Beach, Florida to Clarksville, Tennessee.
The flight distance (direct flight from Boynton Beach, FL to Clarksville, TN) is 813.17 mi.
904 mi = 1,454.41 kms