New York City is about 11 times bigger than Winterthur.

Winterthur is approximately 68 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 1,047% larger than Winterthur.
Tip: This to-scale comparison of Winterthur vs. New York City uses the Mercator projection, which distorts the size of regions near the poles.
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