There are
2,402 mi
from Walnut Creek, CA to Richmond, KY
That's the driving distance. It would take 1 day 17 hours to go from Walnut Creek, California to Richmond, Kentucky.
The flight distance (direct flight from Walnut Creek, CA to Richmond, KY) is 2,046.92 mi.
2,402 mi = 3,866.12 kms