There are
1,574 mi
from Fayetteville, AR to Portsmouth, NH
That's the driving distance. It would take 1 day 5 hours to go from Fayetteville, Arkansas to Portsmouth, New Hampshire.
The flight distance (direct flight from Fayetteville, AR to Portsmouth, NH) is 1,331.35 mi.
1,574 mi = 1.61 kms