City size comparison

compared to

San Francisco is about 12 times smaller than Saint Petersburg.

Saint Petersburg is approximately 1,439 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 8.41% the size of Saint Petersburg.
Tip: This to-scale comparison of Saint Petersburg vs. San Francisco uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Francisco vs. Saint Petersburg

Flip Comparison · See true size
See San Francisco on top of Saint Petersburg
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Cost of Living Comparison · 7 categories - 2026 data
Saint Petersburg is 54.8% cheaper than San Francisco
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