City size comparison

compared to

San Francisco is about 2.6 times smaller than Bremen.

Bremen is approximately 318 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 38.06% the size of Bremen.
Tip: This to-scale comparison of Bremen 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. Bremen

Flip Comparison · See true size
See San Francisco on top of Bremen
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Cost of Living Comparison · 7 categories - 2026 data
Bremen is 20.2% cheaper than San Francisco
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