There are
981 mi
from Waukegan, IL to Thibodaux, LA
That's the driving distance. It would take 18 hours 8 mins to go from Waukegan, Illinois to Thibodaux, Louisiana.
The flight distance (direct flight from Waukegan, IL to Thibodaux, LA) is 883.97 mi.
981 mi = 1,579.20 kms