City size comparison

compared to

Saint Petersburg is about 12 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Saint Petersburg is approximately 1,439 sq km, making Saint Petersburg 1,089% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Saint Petersburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Saint Petersburg vs. San Francisco

Flip Comparison · See true size
See Saint Petersburg on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 3.6 times more expensive than Saint Petersburg
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