New Jersey is about 47 times bigger than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while New Jersey is approximately 19,211 sq km, making New Jersey 4,563% larger than Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. New Jersey uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: New Jersey vs. Heard Island and McDonald Islands

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