There are
535 mi
from Fayetteville, AR to Rantoul, IL
That's the driving distance. It would take 10 hours 9 mins to go from Fayetteville, Arkansas to Rantoul, Illinois.
The flight distance (direct flight from Fayetteville, AR to Rantoul, IL) is 438.31 mi.
535 mi = 861.06 kms