There are
2,121 mi
from Walnut Creek, CA to Fox Lake, IL
That's the driving distance. It would take 1 day 12 hours to go from Walnut Creek, California to Fox Lake, Illinois.
The flight distance (direct flight from Walnut Creek, CA to Fox Lake, IL) is 1,803.70 mi.
2,121 mi = 3,413.31 kms