There are
1,751 mi
from St Joseph, MO to Larkspur, CA
That's the driving distance. It would take 1 day 6 hours to go from St Joseph, Missouri to Larkspur, California.
The flight distance (direct flight from St Joseph, MO to Larkspur, CA) is 1,489.89 mi.
1,751 mi = 1.61 kms