City size comparison

compared to

Madrid is about 5 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Madrid is approximately 604 sq km, making Madrid 399% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Madrid uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Madrid vs. San Francisco
Flip Comparison · See true size
See Madrid on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 89.2% more expensive than Madrid
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