City size comparison

compared to

San Francisco is about 1.2 times bigger than Lisbon.

Lisbon (map shows its 24 named neighbourhoods; the area covers the whole city) is approximately 100 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 21% larger than Lisbon.
Tip: This to-scale comparison of Lisbon 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. Lisbon

Flip Comparison · See true size
See San Francisco on top of Lisbon
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Cost of Living Comparison · 7 categories - 2026 data
Lisbon is 36.0% cheaper than San Francisco
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