Svalbard is about 8 times bigger than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Svalbard is approximately 62,045 sq km, making Svalbard 693% larger than French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Svalbard uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Svalbard vs. French Southern and Antarctic Lands