City size comparison

compared to

San Mateo is about 19 times smaller than Madrid.

Madrid is approximately 604 sq km, while San Mateo is approximately 31 sq km, making San Mateo 5.2% the size of Madrid.
Tip: This to-scale comparison of Madrid vs. San Mateo uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: San Mateo vs. Madrid

Flip Comparison · See true size
See San Mateo on top of Madrid
→
Cost of Living Comparison · 7 categories - 2026 data
Madrid is 18.6% cheaper than San Mateo
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.
Download on the App Store GET IT ON Google Play