There are
418 mi
from Overland Park, KS to Rantoul, IL
That's the driving distance. It would take 7 hours 54 mins to go from Overland Park, Kansas to Rantoul, Illinois.
The flight distance (direct flight from Overland Park, KS to Rantoul, IL) is 358.42 mi.
418 mi = 673.24 kms