There are
940 mi
from Waukegan, IL to Scottsbluff, NE
That's the driving distance. It would take 17 hours 9 mins to go from Waukegan, Illinois to Scottsbluff, Nebraska.
The flight distance (direct flight from Waukegan, IL to Scottsbluff, NE) is 810.19 mi.
940 mi = 1,512.33 kms