Miles between Washington, DC and St Marys, PA

There are
258 mi
from Washington, DC to St Marys, PA

That's the driving distance. It would take 5 hours 30 mins to go from Washington, District of Columbia to St Marys, Pennsylvania.

The flight distance (direct flight from Washington, DC to St Marys, PA) is 192.82 mi.

258 mi = 415.47 kms