Pennsylvania is about 2.7 times smaller than Oman.

Oman is approximately 309,500 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 37.5% the size of Oman. Meanwhile, the population of Oman is ~3.8 million people (8.9 million more people live in Pennsylvania).
This to-scale comparison of Oman vs. Pennsylvania uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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