City size comparison

compared to

San Francisco is about 1.7 times smaller than Buenos Aires.

Buenos Aires is approximately 203 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 59.52% the size of Buenos Aires.
Tip: This to-scale comparison of Buenos Aires 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. Buenos Aires

Flip Comparison · See true size
See San Francisco on top of Buenos Aires
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Cost of Living Comparison · 7 categories - 2026 data
Buenos Aires is 56.4% cheaper than San Francisco
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