Heard Island and McDonald Islands is about 16 times bigger than Saint Barthelemy.

Saint Barthelemy is approximately 25 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 1,548% larger than Saint Barthelemy.
Tip: This to-scale comparison of Saint Barthelemy 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. Saint Barthelemy

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