Changshu City is located in Nanjing city, China at the 31.6462, 120.7422 coordinates. Distance from Changshu City to other cities. are listed below, click on the city name to find distance between. Distance from Changshu City to Suzhou 41 km, to Wuxi 44 km, to Tongshan 437 km. The green marker indicates the location of Changshu City.