There are
731 mi
from Boynton Beach, FL to Smithfield, NC
That's the driving distance. It would take 13 hours 20 mins to go from Boynton Beach, Florida to Smithfield, North Carolina.
The flight distance (direct flight from Boynton Beach, FL to Smithfield, NC) is 629.01 mi.
731 mi = 1,176.31 kms