Manchester is about 5 times smaller than Chicago.

Chicago is approximately 590 sq km, while Manchester is approximately 116 sq km, making Manchester 19.6% the size of Chicago.
Tip: This to-scale comparison of Chicago vs. Manchester 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.