Miles between Frederick, MD and St Marys, PA

There are
214 mi
from Frederick, MD to St Marys, PA

That's the driving distance. It would take 4 hours 31 mins to go from Frederick, Maryland to St Marys, Pennsylvania.

The flight distance (direct flight from Frederick, MD to St Marys, PA) is 151.94 mi.

214 mi = 345.01 kms