Saint Paul is around the same size as San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Saint Paul is approximately 135 sq km, making Saint Paul 11% larger than San Francisco.
Tip: This to-scale comparison of San Francisco 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.