City size comparison

compared to

Dublin is about 3.4 times smaller than Cologne.

Cologne is approximately 405 sq km, while Dublin is approximately 118 sq km, making Dublin 29.09% the size of Cologne.
Tip: This to-scale comparison of Cologne vs. Dublin uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Dublin vs. Cologne

Flip Comparison · See true size
See Dublin on top of Cologne
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Cost of Living Comparison · 7 categories - 2026 data
Cologne is 3.5% cheaper than Dublin
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