There are
663 mi
from Wichita, KS to Dekalb, IL
That's the driving distance. It would take 11 hours 54 mins to go from Wichita, Kansas to Dekalb, Illinois.
The flight distance (direct flight from Wichita, KS to Dekalb, IL) is 541.34 mi.
663 mi = 1,067.43 kms