Seoul is about 4.3 times bigger than Minneapolis.

Minneapolis is approximately 140 sq km, while Seoul is approximately 605 sq km, making Seoul 333% larger than Minneapolis.
Tip: This to-scale comparison of Minneapolis vs. Seoul 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.