There are
2,150 mi
from Walnut Creek, CA to Danville, IL
That's the driving distance. It would take 1 day 13 hours to go from Walnut Creek, California to Danville, Illinois.
The flight distance (direct flight from Walnut Creek, CA to Danville, IL) is 1,843.39 mi.
2,150 mi = 3,460.27 kms