Pennsylvania is about 2.5 times smaller than Arizona.

Arizona is approximately 294,312 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 39.44% the size of Arizona. Meanwhile, the population of Arizona is ~6.4 million people (6.3 million more people live in Pennsylvania).
This to-scale comparison of Arizona vs. Pennsylvania uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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