City size comparison

compared to

San Diego is about 9 times bigger than Miami.

Miami is approximately 92 sq km, while San Diego is approximately 844 sq km, making San Diego 813% larger than Miami.
Tip: This to-scale comparison of Miami 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. Miami
Flip Comparison · See true size
See San Diego on top of Miami
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Cost of Living Comparison · 7 categories - 2026 data
Miami is 6.0% cheaper than San Diego
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