There are
1,974 mi
from Clayton, MO to Oroville, CA
That's the driving distance. It would take 1 day 10 hours to go from Clayton, Missouri to Oroville, California.
The flight distance (direct flight from Clayton, MO to Oroville, CA) is 1,667.84 mi.
1,974 mi = 3,176.58 kms