There are
2,170 mi
from Walnut Creek, CA to Richfield, WI
That's the driving distance. It would take 1 day 13 hours to go from Walnut Creek, California to Richfield, Wisconsin.
The flight distance (direct flight from Walnut Creek, CA to Richfield, WI) is 1,802.44 mi.
2,170 mi = 3,492.33 kms