Rome is about 10 times bigger than Long Beach.

Long Beach is approximately 131 sq km, while Rome is approximately 1,287 sq km, making Rome 881% larger than Long Beach.
Tip: This to-scale comparison of Long Beach 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.