Lesotho is about 2.6 times smaller than South Carolina.

South Carolina is approximately 77,983 sq km, while Lesotho is approximately 30,355 sq km, making Lesotho 38.93% the size of South Carolina. Meanwhile, the population of South Carolina is ~4.6 million people (2.4 million fewer people live in Lesotho).
Tip: This to-scale comparison of South Carolina vs. Lesotho uses the Mercator projection, which distorts the size of regions near the poles.