Phoenix is about 86 times smaller than Pennsylvania.

Pennsylvania is approximately 116,075 sq km, while Phoenix is approximately 1,342 sq km, making Phoenix 1.16% the size of Pennsylvania.
Tip: This to-scale comparison of Pennsylvania vs. Phoenix 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.