Hong Kong is about 7 times smaller than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Hong Kong is approximately 1,108 sq km, making Hong Kong 14.15% the size of French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Hong Kong uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Hong Kong vs. French Southern and Antarctic Lands