Miles between Chicago, IL and St Marys, PA

There are
539 mi
from Chicago, IL to St Marys, PA

That's the driving distance. It would take 10 hours 11 mins to go from Chicago, Illinois to St Marys, Pennsylvania.

The flight distance (direct flight from Chicago, IL to St Marys, PA) is 469.85 mi.

539 mi = 868.01 kms