There are
410 mi
from Champaign, IL to Lenexa, KS
That's the driving distance. It would take 7 hours 45 mins to go from Champaign, Illinois to Lenexa, Kansas.
The flight distance (direct flight from Champaign, IL to Lenexa, KS) is 354.96 mi.
410 mi = 659.02 kms