City size comparison

compared to

San Francisco is about 2.6 times smaller than Rotterdam.

Rotterdam (map shows its 22 named neighbourhoods; the area covers the whole city) is approximately 319 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 37.89% the size of Rotterdam.
Tip: This to-scale comparison of Rotterdam 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. Rotterdam

Flip Comparison · See true size
See San Francisco on top of Rotterdam
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Cost of Living Comparison · 7 categories - 2026 data
Rotterdam is 8.3% cheaper than San Francisco
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