City size comparison

compared to

San Diego is about 3 times smaller than Moscow.

Moscow is approximately 2,562 sq km, while San Diego is approximately 844 sq km, making San Diego 32.95% the size of Moscow.
Tip: This to-scale comparison of Moscow 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. Moscow
Flip Comparison · See true size
See San Diego on top of Moscow
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Cost of Living Comparison · 7 categories - 2026 data
Moscow is 43.7% cheaper than San Diego
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