Shanghai is about 11 times bigger than Columbus.

Columbus is approximately 574 sq km, while Shanghai is approximately 6,341 sq km, making Shanghai 1,005% larger than Columbus.
Tip: This to-scale comparison of Columbus 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.