There are
425 mi
from Fayetteville, AR to Keokuk, IA
That's the driving distance. It would take 8 hours 37 mins to go from Fayetteville, Arkansas to Keokuk, Iowa.
The flight distance (direct flight from Fayetteville, AR to Keokuk, IA) is 335.22 mi.
425 mi = 684.76 kms