Maryland is about 4.6 times smaller than Pennsylvania.

Pennsylvania is approximately 116,075 sq km, while Maryland is approximately 25,314 sq km, making Maryland 21.81% the size of Pennsylvania. Meanwhile, the population of Pennsylvania is ~12.7 million people (6.9 million fewer people live in Maryland).
This to-scale comparison of Pennsylvania vs. Maryland uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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