South Carolina is about 15 times smaller than Colombia.

Colombia is approximately 1,138,910 sq km, while South Carolina is approximately 77,983 sq km, making South Carolina 6.85% the size of Colombia. Meanwhile, the population of Colombia is ~49.1 million people (44.4 million fewer people live in South Carolina).
Tip: This to-scale comparison of Colombia vs. South Carolina uses the Mercator projection, which distorts the size of regions near the poles.
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