Flight Paris Charles de Gaulle Airport departs from Paris Paris Charles de Gaulle Airport at 21:00 and arrives at Seoul Incheon International Airport at 17:10.
The flighttime is about 12h 10m. The distance travelled ("as the bird flies"): 13684 Km. So the average speed is roughly 1125 Km.
There is an 8 hour time difference between Paris and Seoul