City size comparison

compared to

Miami is about 2.9 times bigger than San Mateo.

San Mateo is approximately 31 sq km, while Miami is approximately 92 sq km, making Miami 194% larger than San Mateo.
Tip: This to-scale comparison of San Mateo vs. Miami uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Miami vs. San Mateo

Flip Comparison · See true size
See Miami on top of San Mateo
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Cost of Living Comparison · 7 categories - 2026 data
San Mateo is 17.0% more expensive than Miami
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