Democratic Republic of the Congo is about 601 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Democratic Republic of the Congo is approximately 2,344,858 sq km, making Democratic Republic of the Congo 59,978% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Democratic Republic of the Congo uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Democratic Republic of the Congo vs. South Georgia and South Sandwich Islands