Llandudno is located in Cardiff city, United Kingdom at the 53.325, -3.8315 coordinates. Distance from Llandudno to other cities. are listed below, click on the city name to find distance between. Distance from Llandudno to Swansea 190 km, to Newport 201 km, to Rhondda 187 km. The green marker indicates the location of Llandudno.