| Valley to Aberaman | 4,145.65 mi (6,671.78 km) |
| Valley to Aberbargoed | 4,154.32 mi (6,685.72 km) |
| Valley to Aberdare | 4,144.92 mi (6,670.60 km) |
| Valley to Aberdeen | 4,098.83 mi (6,596.44 km) |
| Valley to Abergavenny | 4,160.35 mi (6,695.43 km) |
| Valley to Abergele | 4,110.21 mi (6,614.75 km) |
| Valley to Abertawe | 4,125.95 mi (6,640.07 km) |
| Valley to Abertillery | 4,157.53 mi (6,690.90 km) |
| Valley to Aberystwyth | 4,105.78 mi (6,607.61 km) |
| Valley to Abingdon | 4,234.44 mi (6,814.67 km) |
| Valley to Abram | 4,145.40 mi (6,671.38 km) |
| Valley to Accrington | 4,149.64 mi (6,678.19 km) |
| Valley to Acomb | 4,194.21 mi (6,749.93 km) |
| Valley to Acton | 4,279.04 mi (6,886.45 km) |
| Valley to Addlestone | 4,273.21 mi (6,877.07 km) |
