City size comparison

compared to

Toronto is about 20 times bigger than San Mateo.

San Mateo is approximately 31 sq km, while Toronto is approximately 630 sq km, making Toronto 1,905% larger than San Mateo.
Tip: This to-scale comparison of San Mateo vs. Toronto uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Toronto vs. San Mateo

Flip Comparison · See true size
See Toronto on top of San Mateo
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Cost of Living Comparison · 7 categories - 2026 data
San Mateo is 48.3% more expensive than Toronto
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