Mississippi is about 1.5 times smaller than Oklahoma.

Oklahoma is approximately 177,847 sq km, while Mississippi is approximately 121,489 sq km, making Mississippi 68.31% the size of Oklahoma. Meanwhile, the population of Oklahoma is ~3.8 million people (784,054 fewer people live in Mississippi).
This to-scale comparison of Oklahoma vs. Mississippi uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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