There are
2,127 mi
from Waukegan, IL to Vallejo, CA
That's the driving distance. It would take 1 day 12 hours to go from Waukegan, Illinois to Vallejo, California.
The flight distance (direct flight from Waukegan, IL to Vallejo, CA) is 1,826.08 mi.
2,127 mi = 3.22 kms