There are
2,120 mi
from Waukegan, IL to St Helens, OR
That's the driving distance. It would take 1 day 13 hours to go from Waukegan, Illinois to St Helens, Oregon.
The flight distance (direct flight from Waukegan, IL to St Helens, OR) is 1,737.47 mi.
2,120 mi = 3.22 kms