There are
712 mi
from Fayetteville, AR to Las Vegas, NM
That's the driving distance. It would take 12 hours 31 mins to go from Fayetteville, Arkansas to Las Vegas, New Mexico.
The flight distance (direct flight from Fayetteville, AR to Las Vegas, NM) is 620.45 mi.
712 mi = 1,145.56 kms