There are
519 mi
from Olathe, KS to Hickory Hills, IL
That's the driving distance. It would take 9 hours 51 mins to go from Olathe, Kansas to Hickory Hills, Illinois.
The flight distance (direct flight from Olathe, KS to Hickory Hills, IL) is 417.46 mi.
519 mi = 835.92 kms