City size comparison

compared to

San Diego is about 2.4 times bigger than Detroit.

Detroit is approximately 359 sq km, while San Diego is approximately 844 sq km, making San Diego 135% larger than Detroit.
Tip: This to-scale comparison of Detroit vs. San Diego uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Diego vs. Detroit
Flip Comparison · See true size
See San Diego on top of Detroit
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Cost of Living Comparison · 7 categories - 2026 data
Detroit is 23.0% cheaper than San Diego
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