There are
1,648 mi
from St Joseph, MO to San Clemente, CA
That's the driving distance. It would take 1 day 4 hours to go from St Joseph, Missouri to San Clemente, California.
The flight distance (direct flight from St Joseph, MO to San Clemente, CA) is 1,332.60 mi.
1,648 mi = 1.61 kms