Saint Martin is about 8 times smaller than Heard Island and McDonald Islands.

Heard Island and McDonald Islands is approximately 412 sq km, while Saint Martin is approximately 54 sq km, making Saint Martin 13.2% the size of Heard Island and McDonald Islands.
Tip: This to-scale comparison of Heard Island and McDonald Islands vs. Saint Martin uses the Mercator projection, which distorts the size of regions near the poles.

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

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