Chicago is about 2.1 times bigger than Queens.

Queens is approximately 282 sq km, while Chicago is approximately 590 sq km, making Chicago 109% larger than Queens.
Tip: This to-scale comparison of Queens 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.