There are
454 mi
from Fayetteville, AR to Ottumwa, IA
That's the driving distance. It would take 8 hours 46 mins to go from Fayetteville, Arkansas to Ottumwa, Iowa.
The flight distance (direct flight from Fayetteville, AR to Ottumwa, IA) is 355.04 mi.
454 mi = 730.58 kms