Heard Island and McDonald Islands is about 1.6 times bigger than Saint Kitts and Nevis.

Saint Kitts and Nevis is approximately 261 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 58% larger than Saint Kitts and Nevis.
Tip: This to-scale comparison of Saint Kitts and Nevis vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.

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