Paris is about 1.8 times smaller than Potsdam.

Potsdam is approximately 188 sq km, while Paris is approximately 105 sq km, making Paris 55.99% the size of Potsdam.
Tip: This to-scale comparison of Potsdam 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.