There are
521 mi
from Schaumburg, IL to Leawood, KS
That's the driving distance. It would take 9 hours 55 mins to go from Schaumburg, Illinois to Leawood, Kansas.
The flight distance (direct flight from Schaumburg, IL to Leawood, KS) is 403.22 mi.
521 mi = 839.13 kms