There are
750 mi
from Boynton Beach, FL to Knightdale, NC
That's the driving distance. It would take 13 hours 45 mins to go from Boynton Beach, Florida to Knightdale, North Carolina.
The flight distance (direct flight from Boynton Beach, FL to Knightdale, NC) is 646.77 mi.
750 mi = 1,206.33 kms