Miles between Detroit, MI and St Marys, PA

There are
365 mi
from Detroit, MI to St Marys, PA

That's the driving distance. It would take 6 hours 58 mins to go from Detroit, Michigan to St Marys, Pennsylvania.

The flight distance (direct flight from Detroit, MI to St Marys, PA) is 239.69 mi.

365 mi = 587.10 kms