Belarus is about 27 times bigger than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Belarus is approximately 207,600 sq km, making Belarus 2,552% larger than French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Belarus uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Belarus vs. French Southern and Antarctic Lands