City size comparison

compared to

Chicago is about 22 times bigger than Sydney.

Sydney is approximately 27 sq km, while Chicago is approximately 590 sq km, making Chicago 2,109% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Chicago uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Chicago vs. Sydney
Flip Comparison · See true size
See Chicago on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 1.3% cheaper than Chicago
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