Shanghai is about 58 times bigger than Bronx.

Bronx is approximately 109 sq km, while Shanghai is approximately 6,341 sq km, making Shanghai 5,705% larger than Bronx.
Tip: This to-scale comparison of Bronx vs. Shanghai 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.