Miles between Louisville, KY and St Marys, PA

There are
521 mi
from Louisville, KY to St Marys, PA

That's the driving distance. It would take 10 hours 6 mins to go from Louisville, Kentucky to St Marys, Pennsylvania.

The flight distance (direct flight from Louisville, KY to St Marys, PA) is 441.30 mi.

521 mi = 837.69 kms