There are
2,814 mi
from Westminster, CA to Mamaroneck, NY
That's the driving distance. It would take 2 days 2 hours to go from Westminster, California to Mamaroneck, New York.
The flight distance (direct flight from Westminster, CA to Mamaroneck, NY) is 2,454.47 mi.
2,814 mi = 3.22 kms