Nioki is located in Bandundu city, Democratic Republic of the Congo at the -2.7204, 17.69 coordinates. Distance from Nioki to other cities. are listed below, click on the city name to find distance between. Distance from Nioki to Kikwit 287 km, to Bulungu 227 km, to Inongo 110 km. The green marker indicates the location of Nioki.