There are
940 mi
from Waukegan, IL to Scottsbluff, NE
That's the driving distance. It would take 17 hours 10 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