Wisconsin is about 2.2 times smaller than Oman.

Oman is approximately 309,500 sq km, while Wisconsin is approximately 140,663 sq km, making Wisconsin 45.45% the size of Oman. Meanwhile, the population of Oman is ~3.8 million people (1.9 million more people live in Wisconsin).
This to-scale comparison of Oman vs. Wisconsin uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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