Potsdam is about 4.7 times smaller than Dallas.

Dallas is approximately 880 sq km, while Potsdam is approximately 188 sq km, making Potsdam 21.4% the size of Dallas.
Tip: This to-scale comparison of Dallas vs. Potsdam 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.