South Carolina is about 1.3 times bigger than Svalbard.

Svalbard is approximately 62,045 sq km, while South Carolina is approximately 77,983 sq km, making South Carolina 26% larger than Svalbard. Meanwhile, the population of Svalbard is ~2,926 people (4.6 million more people live in South Carolina).
Tip: This to-scale comparison of Svalbard vs. South Carolina uses the Mercator projection, which distorts the size of regions near the poles.