Hong Kong to Seoul
Hong Kong to Seoul is the sixth most popular flight in the world, with over 10,500 passengers flown between the two airports each day. The flight takes around 3 hour and 30 mins resulting in 376.3kg of CO2e of passenger being produced. There is a distance of around 2069km between the two airports, resulting in an average 0.18kg of CO2e per km per passenger. If you drove this distance in an average petrol car then it would produce around 360.6kg of CO2e and an electric car would only produce 118.5kg of CO2e.