| Clay to Aberaman | 4,160.91 mi (6,696.34 km) |
| Clay to Aberbargoed | 4,169.51 mi (6,710.18 km) |
| Clay to Aberdare | 4,160.16 mi (6,695.13 km) |
| Clay to Aberdeen | 4,102.83 mi (6,602.87 km) |
| Clay to Abergavenny | 4,175.22 mi (6,719.36 km) |
| Clay to Abergele | 4,122.42 mi (6,634.39 km) |
| Clay to Abertawe | 4,141.57 mi (6,665.21 km) |
| Clay to Abertillery | 4,172.63 mi (6,715.19 km) |
| Clay to Aberystwyth | 4,119.87 mi (6,630.29 km) |
| Clay to Abingdon | 4,248.94 mi (6,838.01 km) |
| Clay to Abram | 4,156.81 mi (6,689.74 km) |
| Clay to Accrington | 4,160.48 mi (6,695.65 km) |
| Clay to Acomb | 4,204.22 mi (6,766.04 km) |
| Clay to Acton | 4,293.43 mi (6,909.60 km) |
| Clay to Addlestone | 4,287.96 mi (6,900.81 km) |
