Nebraska is about 2 times bigger than South Korea.

South Korea is approximately 99,720 sq km, while Nebraska is approximately 199,099 sq km, making Nebraska 100% larger than South Korea. Meanwhile, the population of South Korea is ~51.8 million people (50.0 million fewer people live in Nebraska).
Tip: This to-scale comparison of South Korea vs. Nebraska uses the Mercator projection, which distorts the size of regions near the poles.
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