Rome is about 1.4 times bigger than Fort Worth.

Fort Worth (map shows its 16 named neighbourhoods; the area covers the whole city) is approximately 911 sq km, while Rome is approximately 1,287 sq km, making Rome 41% larger than Fort Worth.
Tip: This to-scale comparison of Fort Worth 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.