There are
2,942 mi
from Portland, OR to Myrtle Beach, SC
That's the driving distance. It would take 2 days 4 hours to go from Portland, Oregon to Myrtle Beach, South Carolina.
The flight distance (direct flight from Portland, OR to Myrtle Beach, SC) is 2,435.70 mi.
2,942 mi = 3.22 kms