There are
2,924 mi
from Concord, CA to Massapequa Park, NY
That's the driving distance. It would take 2 days 3 hours to go from Concord, California to Massapequa Park, New York.
The flight distance (direct flight from Concord, CA to Massapequa Park, NY) is 2,569.68 mi.
2,924 mi = 3.22 kms