City size comparison

compared to

London is about 2.7 times bigger than Chicago.

Chicago is approximately 590 sq km, while London (including the 32 boroughs of greater London) is approximately 1,572 sq km, making London 167% larger than Chicago.
Tip: This to-scale comparison of Chicago vs. London uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: London vs. Chicago
Flip Comparison · See true size
See London on top of Chicago
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Cost of Living Comparison · 7 categories - 2026 data
Chicago is 5.2% cheaper than London
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