Chicago is around the same size as El Paso.

El Paso is approximately 670 sq km, while Chicago is approximately 590 sq km, making Chicago 87.99% the size of El Paso.
Tip: This to-scale comparison of El Paso 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.