| Middle Valley to Aberaman | 4,031.24 mi (6,487.65 km) |
| Middle Valley to Aberbargoed | 4,039.82 mi (6,501.47 km) |
| Middle Valley to Aberdare | 4,030.48 mi (6,486.44 km) |
| Middle Valley to Aberdeen | 3,972.03 mi (6,392.37 km) |
| Middle Valley to Abergavenny | 4,045.47 mi (6,510.56 km) |
| Middle Valley to Abergele | 3,992.28 mi (6,424.95 km) |
| Middle Valley to Abertawe | 4,011.96 mi (6,456.62 km) |
| Middle Valley to Abertillery | 4,042.92 mi (6,506.45 km) |
| Middle Valley to Aberystwyth | 3,990.01 mi (6,421.30 km) |
| Middle Valley to Abingdon | 4,119.13 mi (6,629.10 km) |
| Middle Valley to Abram | 4,026.57 mi (6,480.14 km) |
| Middle Valley to Accrington | 4,030.17 mi (6,485.94 km) |
| Middle Valley to Acomb | 4,073.82 mi (6,556.18 km) |
| Middle Valley to Acton | 4,163.60 mi (6,700.66 km) |
| Middle Valley to Addlestone | 4,158.19 mi (6,691.96 km) |
