There are
2,764 mi
from San Leandro, CA to Martinsburg, WV
That's the driving distance. It would take 2 days to go from San Leandro, California to Martinsburg, West Virginia.
The flight distance (direct flight from San Leandro, CA to Martinsburg, WV) is 2,365.55 mi.
2,764 mi = 3.22 kms