New York is about 2.5 times smaller than Oman.

Oman is approximately 309,500 sq km, while New York is approximately 122,283 sq km, making New York 39.51% the size of Oman. Meanwhile, the population of Oman is ~5.5 million people (14.5 million more people live in New York).
Tip: This to-scale comparison of Oman vs. New York uses the Mercator projection, which distorts the size of regions near the poles.
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