Chicago is about 15 times bigger than Alexandria.

Alexandria is approximately 39 sq km, while Chicago is approximately 590 sq km, making Chicago 1,425% larger than Alexandria.
Tip: This to-scale comparison of Alexandria vs. Chicago 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.