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

French Southern and Antarctic Lands is approximately 7,829 sq km, while Saint Pierre and Miquelon is approximately 242 sq km, making Saint Pierre and Miquelon 3.09% the size of French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Saint Pierre and Miquelon uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Saint Pierre and Miquelon vs. French Southern and Antarctic Lands