There are
2,211 mi
from Walnut Creek, CA to Mayfield, KY
That's the driving distance. It would take 1 day 14 hours to go from Walnut Creek, California to Mayfield, Kentucky.
The flight distance (direct flight from Walnut Creek, CA to Mayfield, KY) is 1,828.61 mi.
2,211 mi = 3,557.46 kms