City size comparison

compared to

San Mateo is about 170 times smaller than Istanbul.

Istanbul is approximately 5,343 sq km, while San Mateo is approximately 31 sq km, making San Mateo 0.59% the size of Istanbul.
Tip: This to-scale comparison of Istanbul 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. Istanbul

Flip Comparison · See true size
See San Mateo on top of Istanbul
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Cost of Living Comparison · 7 categories - 2026 data
Istanbul is 56.8% cheaper than San Mateo
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