There are
1,767 mi
from St Joseph, MO to Grover Beach, CA
That's the driving distance. It would take 1 day 7 hours to go from St Joseph, Missouri to Grover Beach, California.
The flight distance (direct flight from St Joseph, MO to Grover Beach, CA) is 1,444.95 mi.
1,767 mi = 1.61 kms