Newark is about 24 times smaller than Mexico City.

Mexico City is approximately 1,485 sq km, while Newark (map shows its 20 named neighbourhoods; the area covers the whole city) is approximately 63 sq km, making Newark 4.21% the size of Mexico City.
Tip: This to-scale comparison of Mexico City vs. Newark uses the Mercator projection, which distorts the size of regions near the poles.
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