There are
2,792 mi
from Ontario, CA to Massapequa Park, NY
That's the driving distance. It would take 2 days 1 hour to go from Ontario, California to Massapequa Park, New York.
The flight distance (direct flight from Ontario, CA to Massapequa Park, NY) is 2,443.20 mi.
2,792 mi = 3.22 kms