Changsha to Xishuangbanna, Yunnan? How many kilometers?

Changsha to Xishuangbanna is about 1875 km. If you choose the following means of transportation: normal walking at 6 km/h 13 days at 0: 30, cycling at 20 km/h for 3 days at 2 1: 45, cruise at 28 km/h (still water speed) for 2 days 18 hours and 57 minutes, and motorcycle at 50 km/h/kloc-. 23 hours and 26 minutes by train 150 km/h 13 hours and 23 minutes by high-speed train 250 km/h 7 hours and 30 minutes by plane 800 km/h 2 hours and 20 minutes.