Miles between Fort Smith, AR and Portsmouth, NH

There are
1,645 mi
from Fort Smith, AR to Portsmouth, NH

That's the driving distance. It would take 1 day 6 hours to go from Fort Smith, Arkansas to Portsmouth, New Hampshire.

The flight distance (direct flight from Fort Smith, AR to Portsmouth, NH) is 1,366 mi.

1,645 mi = 1.61 kms