Miles between Fort Smith, AR and St Marys, PA

There are
1,144 mi
from Fort Smith, AR to St Marys, PA

That's the driving distance. It would take 21 hours 20 mins to go from Fort Smith, Arkansas to St Marys, Pennsylvania.

The flight distance (direct flight from Fort Smith, AR to St Marys, PA) is 952.84 mi.

1,144 mi = 1.61 kms