South Korea is about 4.9 times bigger than Massachusetts.

Massachusetts is approximately 20,306 sq km, while South Korea is approximately 99,720 sq km, making South Korea 391% larger than Massachusetts. Meanwhile, the population of Massachusetts is ~6.5 million people (45.3 million more people live in South Korea).
This to-scale comparison of Massachusetts vs. South Korea uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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