There are
2,127 mi
from Walnut Creek, CA to Pewaukee, WI
That's the driving distance. It would take 1 day 13 hours to go from Walnut Creek, California to Pewaukee, Wisconsin.
The flight distance (direct flight from Walnut Creek, CA to Pewaukee, WI) is 1,801.31 mi.
2,127 mi = 3,423.53 kms