According to Baidu map query, the journey from Kongjiazhuang to Zhangjiakou Fourth Hospital is about 22.0 kilometers, and the journey takes 1 hour for 28 minutes. Take bus No.36 to 1 road.
Get on the bus from the administrative examination and approval center station of Wanquan District, Kongjiazhuang Town, take bus No.36, pass the station 12, and arrive at the north exit station of Diamond South Road. Take bus 1 next time, pass by 16 station, get off at Mongolian camp station and walk 140 meters.