There are
858 mi
from Waukegan, IL to Mccomb, MS
That's the driving distance. It would take 15 hours 44 mins to go from Waukegan, Illinois to Mccomb, Mississippi.
The flight distance (direct flight from Waukegan, IL to Mccomb, MS) is 781.62 mi.
858 mi = 1,381.09 kms