Pennsylvania is about 197 times bigger than Chicago.

Chicago is approximately 590 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 19,580% larger than Chicago.
Tip: This to-scale comparison of Chicago 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.