Heard Island and McDonald Islands is about 87 times smaller than Taiwan.

Taiwan is approximately 35,980 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 1.15% the size of Taiwan.
Tip: This to-scale comparison of Taiwan 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. Taiwan

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