City size comparison

compared to

San Mateo is about 11 times smaller than Atlanta.

Atlanta (map shows its 114 named neighbourhoods; the area covers the whole city) is approximately 350 sq km, while San Mateo is approximately 31 sq km, making San Mateo 8.97% the size of Atlanta.
Tip: This to-scale comparison of Atlanta vs. San Mateo uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Mateo vs. Atlanta

Flip Comparison · See true size
See San Mateo on top of Atlanta
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Cost of Living Comparison · 7 categories - 2026 data
Atlanta is 9.6% cheaper than San Mateo
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