Nebraska is around the same size as Oklahoma.

Oklahoma is approximately 177,847 sq km, while Nebraska is approximately 199,099 sq km, making Nebraska 12% larger than Oklahoma. Meanwhile, the population of Oklahoma is ~4.1 million people (2.1 million fewer people live in Nebraska).
Tip: This to-scale comparison of Oklahoma vs. Nebraska uses the Mercator projection, which distorts the size of regions near the poles.
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