Andorra is about 8 times smaller than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Andorra is approximately 468 sq km, making Andorra 11.99% the size of South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Andorra uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Andorra vs. South Georgia and South Sandwich Islands