Sydney is about 32 times smaller than New York.

New York is approximately 122,283 sq km, while Sydney (the 30 councils of metropolitan Sydney, without the Blue Mountains, Hawkesbury, Wollondilly and the Central Coast) is approximately 3,810 sq km, making Sydney 3.12% the size of New York.
Tip: This to-scale comparison of New York vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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