There are
2,061 mi
from St Louis, MO to San Leandro, CA
That's the driving distance. It would take 1 day 11 hours to go from St Louis, Missouri to San Leandro, California.
The flight distance (direct flight from St Louis, MO to San Leandro, CA) is 1,728.06 mi.
2,061 mi = 3.22 kms