Morocco is about 57 times bigger than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Morocco is approximately 446,550 sq km, making Morocco 5,604% larger than French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Morocco uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Morocco vs. French Southern and Antarctic Lands