No.802 → No.32 1 Road is 27.8km The Third Affiliated Hospital of Zhengzhou University ... Walk about 130m, take No.802 bus to Kangfuqian Street Jiaotong Road Station, take No.321bus for four stops, then go to the Institute of Surveying and Mapping of the People's Liberation Army, 16 station and walk about/kloc-0.