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

Turks and Caicos Islands is approximately 948 sq km, while French Southern and Antarctic Lands is approximately 7,829 sq km, making French Southern and Antarctic Lands 726% larger than Turks and Caicos Islands.
Tip: This to-scale comparison of Turks and Caicos Islands vs. French Southern and Antarctic Lands uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: French Southern and Antarctic Lands vs. Turks and Caicos Islands