French Southern and Antarctic Lands is about 32 times bigger than Saint Pierre and Miquelon.

Saint Pierre and Miquelon is approximately 242 sq km, while French Southern and Antarctic Lands is approximately 7,829 sq km, making French Southern and Antarctic Lands 3,135% larger than Saint Pierre and Miquelon.
Tip: This to-scale comparison of Saint Pierre and Miquelon 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. Saint Pierre and Miquelon