There are
2,139 mi
from Walnut Creek, CA to Gurnee, IL
That's the driving distance. It would take 1 day 12 hours to go from Walnut Creek, California to Gurnee, Illinois.
The flight distance (direct flight from Walnut Creek, CA to Gurnee, IL) is 1,818.12 mi.
2,139 mi = 3,442.39 kms