Australia is about 989 times bigger than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Australia is approximately 7,741,220 sq km, making Australia 98,779% larger than French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Australia uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Australia vs. French Southern and Antarctic Lands