Ireland is about 9 times bigger than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Ireland is approximately 70,273 sq km, making Ireland 798% larger than French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Ireland uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Ireland vs. French Southern and Antarctic Lands