There are
325 mi
from Fayetteville, AR to Ballwin, MO
That's the driving distance. It would take 6 hours 22 mins to go from Fayetteville, Arkansas to Ballwin, Missouri.
The flight distance (direct flight from Fayetteville, AR to Ballwin, MO) is 264.50 mi.
325 mi = 523.52 kms