Heard Island and McDonald Islands is about 917 times smaller than Japan.

Japan is approximately 377,915 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 0.11% the size of Japan.
Tip: This to-scale comparison of Japan vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.
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