Rome is about 12 times bigger than Paris.

Paris is approximately 105 sq km, while Rome is approximately 1,287 sq km, making Rome 1,121% larger than Paris.
Tip: This to-scale comparison of Paris vs. Rome 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.