There are
2,462 mi
from Kettering, OH to Watsonville, CA
That's the driving distance. It would take 1 day 19 hours to go from Kettering, Ohio to Watsonville, California.
The flight distance (direct flight from Kettering, OH to Watsonville, CA) is 2,032.27 mi.
2,462 mi = 3,961.68 kms