City size comparison

compared to

San Diego is about 1.6 times smaller than Phoenix.

Phoenix is approximately 1,342 sq km, while San Diego is approximately 844 sq km, making San Diego 62.88% the size of Phoenix.
Tip: This to-scale comparison of Phoenix 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. Phoenix
Flip Comparison · See true size
See San Diego on top of Phoenix
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Cost of Living Comparison · 7 categories - 2026 data
Phoenix is 17.3% cheaper than San Diego
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