| Abertillery to Aberaman | 13.15 mi (21.16 km) |
| Abertillery to Aberbargoed | 4.63 mi (7.45 km) |
| Abertillery to Aberdare | 13.53 mi (21.78 km) |
| Abertillery to Aberdeen | 376.71 mi (606.26 km) |
| Abertillery to Abergavenny | 8.10 mi (13.04 km) |
| Abertillery to Abergele | 108.75 mi (175.02 km) |
| Abertillery to Abertawe | 36.00 mi (57.93 km) |
| Abertillery to Aberystwyth | 62.17 mi (100.05 km) |
| Abertillery to Abingdon | 79.21 mi (127.48 km) |
| Abertillery to Abram | 124.93 mi (201.06 km) |
| Abertillery to Accrington | 143.43 mi (230.82 km) |
| Abertillery to Acomb | 174.99 mi (281.62 km) |
| Abertillery to Acton | 123.55 mi (198.84 km) |
| Abertillery to Addlestone | 116.12 mi (186.87 km) |
| Abertillery to Adel | 160.00 mi (257.49 km) |
