Heard Island and McDonald Islands is about 1.7 times bigger than Saint Pierre and Miquelon.

Saint Pierre and Miquelon is approximately 242 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 70% larger than Saint Pierre and Miquelon.
Tip: This to-scale comparison of Saint Pierre and Miquelon 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 Pierre and Miquelon

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