There are
2,128 mi
from Walnut Creek, CA to Highland Park, IL
That's the driving distance. It would take 1 day 12 hours to go from Walnut Creek, California to Highland Park, Illinois.
The flight distance (direct flight from Walnut Creek, CA to Highland Park, IL) is 1,823.78 mi.
2,128 mi = 3,424.45 kms