Trenton is about 65 times smaller than Rome.

Rome is approximately 1,287 sq km, while Trenton is approximately 20 sq km, making Trenton 1.53% the size of Rome.
Tip: This to-scale comparison of Rome vs. Trenton 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.