Miles between Boise, ID and St Marys, PA

There are
2,221 mi
from Boise, ID to St Marys, PA

That's the driving distance. It would take 1 day 14 hours to go from Boise, Idaho to St Marys, Pennsylvania.

The flight distance (direct flight from Boise, ID to St Marys, PA) is 1,908.81 mi.

2,221 mi = 3.22 kms