South Korea is about 1.8 times smaller than Cambodia.

Cambodia is approximately 181,035 sq km, while South Korea is approximately 99,720 sq km, making South Korea 55.08% the size of Cambodia. Meanwhile, the population of Cambodia is ~16.7 million people (35.1 million more people live in South Korea).
This to-scale comparison of Cambodia vs. South Korea uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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