How to get to Beijing South Railway Station from Jiuhua Mountain Villa in Xiaotangshan, Changping? How long does it take to get there? urgent

The whole journey is about 4 1.97km. Take bus No.985 (South Gate of Shuangxingyuan-Lianri Green Island) around Daliushu Island in Nanchang, get off at the east gate of the Olympic Sports Center and transfer to bus No.84 (Subway Beitucheng Station-Beijing South Railway Station). The whole journey is about 37.45 km. Take bus No.985 (South Gate of Shuangxingyuan-Lianri Green Island) around Daliushu Island in Nanchang. Lishuiqiao get off and transfer to Metro Line 5 (Tiantongyuan North-Songjiazhuang), Pu Huangyu get off and transfer to Bus No.53 (Sifang Bridge West-South Square, Beijing West Railway Station), and get off at Beijing South Railway Station. The whole journey is about 37.73 kilometers. Take bus No.985 (South Gate of Shuangxingyuan-Lianri Green Island), get off at lishuiqiao and transfer to Metro Line 5 (Tiantongyuan North-Songjiazhuang), and get off at Puhuangyu and transfer to the inner ring of bus No.800.