There are
539 mi
from Boynton Beach, FL to Hanahan, SC
That's the driving distance. It would take 10 hours 8 mins to go from Boynton Beach, Florida to Hanahan, South Carolina.
The flight distance (direct flight from Boynton Beach, FL to Hanahan, SC) is 442.58 mi.
539 mi = 867.13 kms