United Kingdom is about 2.1 times bigger than Pennsylvania.

Pennsylvania is approximately 116,075 sq km, while United Kingdom is approximately 243,610 sq km, making United Kingdom 110% larger than Pennsylvania. Meanwhile, the population of Pennsylvania is ~12.7 million people (55.1 million more people live in United Kingdom).
This to-scale comparison of Pennsylvania vs. United Kingdom uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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