There are
2,861 mi
from Oceanside, CA to Massapequa Park, NY
That's the driving distance. It would take 2 days 3 hours to go from Oceanside, California to Massapequa Park, New York.
The flight distance (direct flight from Oceanside, CA to Massapequa Park, NY) is 2,453.87 mi.
2,861 mi = 4,603.53 kms