City size comparison

compared to

San Francisco is about 44 times smaller than Istanbul.

Istanbul is approximately 5,343 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 2.26% the size of Istanbul.
Tip: This to-scale comparison of Istanbul 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. Istanbul

Flip Comparison · See true size
See San Francisco on top of Istanbul
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Cost of Living Comparison · 7 categories - 2026 data
Istanbul is 50.1% cheaper than San Francisco
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