There are
2,753 mi
from San Leandro, CA to Hagerstown, MD
That's the driving distance. It would take 2 days to go from San Leandro, California to Hagerstown, Maryland.
The flight distance (direct flight from San Leandro, CA to Hagerstown, MD) is 2,375.75 mi.
2,753 mi = 3.22 kms