Shanghai is about 31 times bigger than Cincinnati.

Cincinnati is approximately 202 sq km, while Shanghai is approximately 6,341 sq km, making Shanghai 3,042% larger than Cincinnati.
Tip: This to-scale comparison of Cincinnati 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.