There are
2,114 mi
from Walnut Creek, CA to Oconomowoc, WI
That's the driving distance. It would take 1 day 12 hours to go from Walnut Creek, California to Oconomowoc, Wisconsin.
The flight distance (direct flight from Walnut Creek, CA to Oconomowoc, WI) is 1,787.06 mi.
2,114 mi = 3,402.53 kms