New York City is about 6 times smaller than Auckland.

Auckland is approximately 4,894 sq km, while New York City (including all five boroughs: Manhattan, Brooklyn, Queens, The Bronx, and Staten Island) is approximately 781 sq km, making New York City 15.96% the size of Auckland.
Tip: This to-scale comparison of Auckland vs. New York City uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.