City size comparison

compared to

Montreal is about 14 times bigger than San Mateo.

San Mateo is approximately 31 sq km, while Montreal is approximately 432 sq km, making Montreal 1,273% larger than San Mateo.
Tip: This to-scale comparison of San Mateo vs. Montreal uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Montreal vs. San Mateo

Flip Comparison · See true size
See Montreal on top of San Mateo
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Cost of Living Comparison · 7 categories - 2026 data
San Mateo is 2.2 times more expensive than Montreal
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