There are
967 mi
from Waukegan, IL to Duncanville, TX
That's the driving distance. It would take 18 hours 9 mins to go from Waukegan, Illinois to Duncanville, Texas.
The flight distance (direct flight from Waukegan, IL to Duncanville, TX) is 833.80 mi.
967 mi = 1,556.89 kms