Miles between Billings, MT and St Marys, PA

There are
1,764 mi
from Billings, MT to St Marys, PA

That's the driving distance. It would take 1 day 7 hours to go from Billings, Montana to St Marys, Pennsylvania.

The flight distance (direct flight from Billings, MT to St Marys, PA) is 1,519.11 mi.

1,764 mi = 1.61 kms