Bern is about 123 times smaller than Shanghai.

Shanghai is approximately 6,341 sq km, while Bern is approximately 52 sq km, making Bern 0.81% the size of Shanghai.
Tip: This to-scale comparison of Shanghai vs. Bern 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.