Bangladesh is about 19 times bigger than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Bangladesh is approximately 148,460 sq km, making Bangladesh 1,796% larger than French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Bangladesh uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Bangladesh vs. French Southern and Antarctic Lands