Portland is around the same size as Pasadena.

Pasadena is approximately 59 sq km, while Portland (map shows its 17 named neighbourhoods; the area covers the whole city) is approximately 56 sq km, making Portland 93.82% the size of Pasadena.
Tip: This to-scale comparison of Pasadena vs. Portland 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.