Size comparison

compared to

San Francisco is about 2.2 times bigger than Manhattan.

Manhattan is approximately 55 km² (21 sq mi), while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 122% larger than Manhattan.
Tip: This to-scale comparison of Manhattan 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. Manhattan

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See San Francisco on top of Manhattan
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