There are
2,664 mi
from San Leandro, CA to Tonawanda, NY
That's the driving distance. It would take 1 day 22 hours to go from San Leandro, California to Tonawanda, New York.
The flight distance (direct flight from San Leandro, CA to Tonawanda, NY) is 2,283.01 mi.
2,664 mi = 3.22 kms