City size comparison

compared to

Beijing is about 522 times bigger than San Mateo.

San Mateo is approximately 31 sq km, while Beijing is approximately 16,411 sq km, making Beijing 52,118% larger than San Mateo.
Tip: This to-scale comparison of San Mateo vs. Beijing uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Beijing vs. San Mateo

Flip Comparison · See true size
See Beijing on top of San Mateo
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Cost of Living Comparison · 7 categories - 2026 data
San Mateo is 3.0 times more expensive than Beijing
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