There are
522 mi
from Champaign, IL to Fayetteville, AR
That's the driving distance. It would take 9 hours 59 mins to go from Champaign, Illinois to Fayetteville, Arkansas.
The flight distance (direct flight from Champaign, IL to Fayetteville, AR) is 426.29 mi.
522 mi = 840.59 kms