There are
2,352 mi
from Walnut Creek, CA to Covington, KY
That's the driving distance. It would take 1 day 16 hours to go from Walnut Creek, California to Covington, Kentucky.
The flight distance (direct flight from Walnut Creek, CA to Covington, KY) is 2,018.03 mi.
2,352 mi = 3,784.70 kms