New York City is about 5 times bigger than Staten Island.

Staten Island is approximately 150 km² (58 sq mi), 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 421% larger than Staten Island.
Tip: This to-scale comparison of Staten Island vs. New York City uses the Mercator projection, which distorts the size of regions near the poles.
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