Heard Island and McDonald Islands is about 8 times bigger than Bouvet Island.

Bouvet Island is approximately 49 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 741% larger than Bouvet Island.
Tip: This to-scale comparison of Bouvet Island 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. Bouvet Island

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