There are
3,081 mi
from San Leandro, CA to Concord, NH
That's the driving distance. It would take 2 days 7 hours to go from San Leandro, California to Concord, New Hampshire.
The flight distance (direct flight from San Leandro, CA to Concord, NH) is 2,646.76 mi.
3,081 mi = 4.83 kms