South Korea is about 1.6 times bigger than West Virginia.

West Virginia is approximately 62,361 sq km, while South Korea is approximately 99,720 sq km, making South Korea 60% larger than West Virginia. Meanwhile, the population of West Virginia is ~1.9 million people (50.0 million more people live in South Korea).
Tip: This to-scale comparison of West Virginia vs. South Korea uses the Mercator projection, which distorts the size of regions near the poles.
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