French Southern and Antarctic Lands is about 3.5 times bigger than Comoros.

Comoros is approximately 2,235 sq km, while French Southern and Antarctic Lands is approximately 7,829 sq km, making French Southern and Antarctic Lands 250% larger than Comoros.
Tip: This to-scale comparison of Comoros vs. French Southern and Antarctic Lands uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: French Southern and Antarctic Lands vs. Comoros

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