Mongolia is about 9 times bigger than Oklahoma.

Oklahoma is approximately 177,847 sq km, while Mongolia is approximately 1,564,116 sq km, making Mongolia 779% larger than Oklahoma. Meanwhile, the population of Oklahoma is ~3.8 million people (523,488 fewer people live in Mongolia).
This to-scale comparison of Oklahoma vs. Mongolia uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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