There are
543 mi
from Evanston, IL to Leavenworth, KS
That's the driving distance. It would take 10 hours 20 mins to go from Evanston, Illinois to Leavenworth, Kansas.
The flight distance (direct flight from Evanston, IL to Leavenworth, KS) is 423.13 mi.
543 mi = 873.47 kms