There are
2,371 mi
from Kettering, OH to Walnut Creek, CA
That's the driving distance. It would take 1 day 17 hours to go from Kettering, Ohio to Walnut Creek, California.
The flight distance (direct flight from Kettering, OH to Walnut Creek, CA) is 2,029.19 mi.
2,371 mi = 3,815.87 kms