Shanghai is about 141 times bigger than Hartford.

Hartford is approximately 45 sq km, while Shanghai is approximately 6,341 sq km, making Shanghai 13,987% larger than Hartford.
Tip: This to-scale comparison of Hartford 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.