British Indian Ocean Territory is about 130 times smaller than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 0.77% the size of French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: British Indian Ocean Territory vs. French Southern and Antarctic Lands

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