4. Andes. The mountain range is 7,000 km long – this is more than the distance between Copenhagen and Cape Town, South Africa. The average height is about 4,000 m. In Europe, there is only 1 km^2 of land > 4500m and 225 km^2 > 3500m. Denmark don’t have any mountains of course, but compared to this neither does the rest of Europe.
6. Patagonia. Overlaps a little with 4, but only a little. A few images from the article: