French Southern and Antarctic Lands is about 4.6 times smaller than Guinea-Bissau.

Guinea-Bissau is approximately 36,125 sq km, while French Southern and Antarctic Lands is approximately 7,829 sq km, making French Southern and Antarctic Lands 21.67% the size of Guinea-Bissau.
Tip: This to-scale comparison of Guinea-Bissau 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. Guinea-Bissau

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