There are
2,878 mi
from San Leandro, CA to Lansdowne, PA
That's the driving distance. It would take 2 days 2 hours to go from San Leandro, California to Lansdowne, Pennsylvania.
The flight distance (direct flight from San Leandro, CA to Lansdowne, PA) is 2,498.93 mi.
2,878 mi = 3.22 kms