There are
1,529 mi
from Fort Smith, AR to Plattsburgh, NY
That's the driving distance. It would take 1 day 5 hours to go from Fort Smith, Arkansas to Plattsburgh, New York.
The flight distance (direct flight from Fort Smith, AR to Plattsburgh, NY) is 1,275.72 mi.
1,529 mi = 1.61 kms