Turks and Caicos Islands is about 8 times smaller than French Southern and Antarctic Lands.

French Southern and Antarctic Lands is approximately 7,829 sq km, while Turks and Caicos Islands is approximately 948 sq km, making Turks and Caicos Islands 12.11% the size of French Southern and Antarctic Lands.
Tip: This to-scale comparison of French Southern and Antarctic Lands vs. Turks and Caicos Islands uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Turks and Caicos Islands vs. French Southern and Antarctic Lands