Pennsylvania is about 11 times smaller than Peru.

Peru is approximately 1,285,216 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 9.03% the size of Peru. Meanwhile, the population of Peru is ~34.6 million people (21.5 million fewer people live in Pennsylvania).
Tip: This to-scale comparison of Peru vs. Pennsylvania uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.