Heard Island and McDonald Islands is about 3,796 times smaller than Mongolia.

Mongolia is approximately 1,564,116 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.03% the size of Mongolia.
Tip: This to-scale comparison of Mongolia vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Heard Island and McDonald Islands vs. Mongolia

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