There are
2,804 mi
from Montebello, CA to Mamaroneck, NY
That's the driving distance. It would take 2 days 2 hours to go from Montebello, California to Mamaroneck, New York.
The flight distance (direct flight from Montebello, CA to Mamaroneck, NY) is 2,453.07 mi.
2,804 mi = 4,512.09 kms