There are
2,132 mi
from Napa, CA to Waukegan, IL
That's the driving distance. It would take 1 day 12 hours to go from Napa, California to Waukegan, Illinois.
The flight distance (direct flight from Napa, CA to Waukegan, IL) is 1,823.47 mi.
2,132 mi = 3.22 kms