Miles between Columbia, SC and St Marys, PA

There are
647 mi
from Columbia, SC to St Marys, PA

That's the driving distance. It would take 12 hours 50 mins to go from Columbia, South Carolina to St Marys, Pennsylvania.

The flight distance (direct flight from Columbia, SC to St Marys, PA) is 531.51 mi.

647 mi = 1,040.94 kms