Paris is about 6 times smaller than Tucson.

Tucson (map shows its 130 named neighbourhoods; the area covers the whole city) is approximately 627 sq km, while Paris is approximately 105 sq km, making Paris 16.8% the size of Tucson.
Tip: This to-scale comparison of Tucson vs. Paris 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.