Saint Paul is about 10 times smaller than Rome.

Rome is approximately 1,287 sq km, while Saint Paul is approximately 135 sq km, making Saint Paul 10.46% the size of Rome.
Tip: This to-scale comparison of Rome vs. Saint Paul 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.