Venice is about 2.7 times smaller than Hong Kong.

Hong Kong is approximately 1,108 sq km, while Venice is approximately 415 sq km, making Venice 37.42% the size of Hong Kong.
Tip: This to-scale comparison of Hong Kong vs. Venice 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.