There are
2,079 mi
from Walnut Creek, CA to North Aurora, IL
That's the driving distance. It would take 1 day 11 hours to go from Walnut Creek, California to North Aurora, Illinois.
The flight distance (direct flight from Walnut Creek, CA to North Aurora, IL) is 1,797.86 mi.
2,079 mi = 3,345.13 kms