Munich is around the same size as Portland.

Portland is approximately 346 sq km, while Munich is approximately 311 sq km, making Munich 89.87% the size of Portland.
Tip: This to-scale comparison of Portland vs. Munich 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.