San Jose is about 5 times smaller than Berlin.

Berlin is approximately 891 sq km, while San Jose is approximately 180 sq km, making San Jose 20.2% the size of Berlin.
Tip: This to-scale comparison of Berlin vs. San Jose 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.