Heard Island and McDonald Islands is about 2.7 times smaller than Hong Kong.

Hong Kong is approximately 1,108 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 37.18% the size of Hong Kong.
Tip: This to-scale comparison of Hong Kong 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. Hong Kong

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