City size comparison

compared to

Milan is about 4.6 times smaller than San Diego.

San Diego is approximately 844 sq km, while Milan is approximately 182 sq km, making Milan 21.54% the size of San Diego.
Tip: This to-scale comparison of San Diego vs. Milan uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Milan vs. San Diego
Flip Comparison · See true size
See Milan on top of San Diego
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Cost of Living Comparison · 7 categories - 2026 data
San Diego is 35.0% more expensive than Milan
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