Gorseinon is located in Cardiff city, United Kingdom at the 51.6693, -4.0416 coordinates. Distance from Gorseinon to other cities. are listed below, click on the city name to find distance between. Distance from Gorseinon to Swansea 9 km, to Newport 73 km, to Rhondda 41 km. The green marker indicates the location of Gorseinon.