Distance between Seoul, South Korea and the North Pole

5837 km = 3627 miles

Seoul, South Korea: basic facts and figures

Country: South Korea
Seoul coordinates: 37°33′57″ N, 126°58′42″ E
Population: 10,349,312
Find out what time it is in Seoul right now
See the map of Seoul
Wikipedia article: Seoul

The North Pole: basic facts and figures

The North Pole is a point where imaginary Earth's axis of rotation crosses the Earth's surface in the Northern Hemisphere.
The North Pole is the northernmost place on Earth. The North Pole latitude is 90° North. The North Pole longitude is undefined, because the North Pole is a point where all the meridians meet.
For the same reason the North Pole has no time zone.
For software and devices using GPS satellite navigation system 0° West may be used as conditional North Pole longitude.

The North Pole coordinates: 90°00′00″ N
Wikipedia article: the North Pole