City size comparison

compared to

Berlin is about 28 times bigger than San Mateo.

San Mateo is approximately 31 sq km, while Berlin is approximately 891 sq km, making Berlin 2,736% larger than San Mateo.
Tip: This to-scale comparison of San Mateo vs. Berlin uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Berlin vs. San Mateo

Flip Comparison · See true size
See Berlin on top of San Mateo
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Cost of Living Comparison · 7 categories - 2026 data
San Mateo is 53.4% more expensive than Berlin
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