There are
718 mi
from Norwalk, CT to Myrtle Beach, SC
That's the driving distance. It would take 14 hours 16 mins to go from Norwalk, Connecticut to Myrtle Beach, South Carolina.
The flight distance (direct flight from Norwalk, CT to Myrtle Beach, SC) is 594.55 mi.
718 mi = 1,154.80 kms