City size comparison

compared to

Chicago is about 1.2 times smaller than Tehran.

Tehran is approximately 686 sq km, while Chicago is approximately 590 sq km, making Chicago 85.98% the size of Tehran.
Tip: This to-scale comparison of Tehran vs. Chicago uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Chicago vs. Tehran

Flip Comparison · See true size
See Chicago on top of Tehran
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Cost of Living Comparison · 7 categories - 2026 data
Tehran is 80.4% cheaper than Chicago
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