Rome is about 6 times bigger than Madison.

Madison (map shows its 124 named neighbourhoods; the area covers the whole city) is approximately 217 sq km, while Rome is approximately 1,287 sq km, making Rome 494% larger than Madison.
Tip: This to-scale comparison of Madison 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.