City size comparison

compared to

Cologne is about 2.2 times smaller than Berlin.

Berlin is approximately 891 sq km, while Cologne is approximately 405 sq km, making Cologne 45.45% the size of Berlin.
Tip: This to-scale comparison of Berlin vs. Cologne uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Cologne vs. Berlin

Flip Comparison · See true size
See Cologne on top of Berlin
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Cost of Living Comparison · 7 categories - 2026 data
Berlin is 6.2% more expensive than Cologne
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