Heard Island and McDonald Islands is about 19 times smaller than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Heard Island and McDonald Islands is approximately 412 sq km, making Heard Island and McDonald Islands 5.26% the size of French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Heard Island and McDonald Islands uses the Mercator projection, which distorts the size of regions near the poles.

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