| Swansea to Aberaman | 4,061.77 mi (6,536.79 km) |
| Swansea to Aberbargoed | 4,070.04 mi (6,550.09 km) |
| Swansea to Aberdare | 4,060.95 mi (6,535.46 km) |
| Swansea to Aberdeen | 3,963.58 mi (6,378.77 km) |
| Swansea to Abergavenny | 4,074.51 mi (6,557.28 km) |
| Swansea to Abergele | 4,012.38 mi (6,457.29 km) |
| Swansea to Abertawe | 4,043.87 mi (6,507.98 km) |
| Swansea to Abertillery | 4,072.76 mi (6,554.48 km) |
| Swansea to Aberystwyth | 4,016.74 mi (6,464.32 km) |
| Swansea to Abingdon | 4,146.35 mi (6,672.90 km) |
| Swansea to Abram | 4,043.64 mi (6,507.60 km) |
| Swansea to Accrington | 4,045.25 mi (6,510.20 km) |
| Swansea to Acomb | 4,085.66 mi (6,575.24 km) |
| Swansea to Acton | 4,190.08 mi (6,743.28 km) |
| Swansea to Addlestone | 4,185.98 mi (6,736.69 km) |
