Saint Paul is about 4.5 times smaller than Madrid.

Madrid is approximately 604 sq km, while Saint Paul is approximately 135 sq km, making Saint Paul 22.28% the size of Madrid.
Tip: This to-scale comparison of Madrid vs. Saint Paul uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.