Yancheng is located in Nanjing city, China at the 33.3575, 120.1573 coordinates. Distance from Yancheng to other cities. are listed below, click on the city name to find distance between. Distance from Yancheng to Suzhou 232 km, to Wuxi 199 km, to Tongshan 292 km. The green marker indicates the location of Yancheng.