City size comparison

compared to

Cologne is about 3.2 times smaller than Rome.

Rome is approximately 1,287 sq km, while Cologne is approximately 405 sq km, making Cologne 31.46% the size of Rome.
Tip: This to-scale comparison of Rome vs. Cologne uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Cologne vs. Rome

Flip Comparison · See true size
See Cologne on top of Rome
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Cost of Living Comparison · 7 categories - 2026 data
Rome is 10.3% cheaper than Cologne
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