Paris is about 2.4 times smaller than Milwaukee.

Milwaukee is approximately 249 sq km, while Paris is approximately 105 sq km, making Paris 42.31% the size of Milwaukee.
Tip: This to-scale comparison of Milwaukee 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.