Onitsha is located in Awka city, Nigeria at the 6.1454, 6.7885 coordinates. Distance from Onitsha to other cities. are listed below, click on the city name to find distance between. Distance from Onitsha to Nnewi 20 km, to Nkpor 6 km, to Ihiala 33 km. The green marker indicates the location of Onitsha.