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

Heard Island and McDonald Islands is approximately 412 sq km, while Saint Barthelemy is approximately 25 sq km, making Saint Barthelemy 6.07% the size of Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Saint Barthelemy uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Saint Barthelemy vs. Heard Island and McDonald Islands

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