Miles between St Louis, MO and St Marys, PA

There are
727 mi
from St Louis, MO to St Marys, PA

That's the driving distance. It would take 13 hours 48 mins to go from St Louis, Missouri to St Marys, Pennsylvania.

The flight distance (direct flight from St Louis, MO to St Marys, PA) is 645.92 mi.

727 mi = 1,170.65 kms