There are
1,619 mi
from St Joseph, MO to Rosemead, CA
That's the driving distance. It would take 1 day 4 hours to go from St Joseph, Missouri to Rosemead, California.
The flight distance (direct flight from St Joseph, MO to Rosemead, CA) is 1,337.74 mi.
1,619 mi = 1.61 kms