There are
2,121 mi
from Evanston, IL to Walnut Creek, CA
That's the driving distance. It would take 1 day 12 hours to go from Evanston, Illinois to Walnut Creek, California.
The flight distance (direct flight from Evanston, IL to Walnut Creek, CA) is 1,829.83 mi.
2,121 mi = 3.22 kms