Miles between Portsmouth, VA and St Marys, PA

There are
450 mi
from Portsmouth, VA to St Marys, PA

That's the driving distance. It would take 9 hours 4 mins to go from Portsmouth, Virginia to St Marys, Pennsylvania.

The flight distance (direct flight from Portsmouth, VA to St Marys, PA) is 339.93 mi.

450 mi = 723.53 kms