Boston is about 936 times smaller than Pennsylvania.

Pennsylvania is approximately 116,075 sq km, while Boston is approximately 124 sq km, making Boston 0.11% the size of Pennsylvania.
Tip: This to-scale comparison of Pennsylvania vs. Boston 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.