City size comparison

compared to

Cologne is about 1.5 times smaller than Chicago.

Chicago is approximately 590 sq km, while Cologne is approximately 405 sq km, making Cologne 68.67% the size of Chicago.
Tip: This to-scale comparison of Chicago vs. Cologne uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Cologne vs. Chicago

Flip Comparison · See true size
See Cologne on top of Chicago
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Cost of Living Comparison · 7 categories - 2026 data
Chicago is 31.7% more expensive than Cologne
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