| Middle River to Aberaman | 3,480.75 mi (5,601.73 km) |
| Middle River to Aberbargoed | 3,489.42 mi (5,615.68 km) |
| Middle River to Aberdare | 3,480.02 mi (5,600.55 km) |
| Middle River to Aberdeen | 3,438.02 mi (5,532.96 km) |
| Middle River to Abergavenny | 3,495.44 mi (5,625.37 km) |
| Middle River to Abergele | 3,445.53 mi (5,545.04 km) |
| Middle River to Abertawe | 3,461.07 mi (5,570.06 km) |
| Middle River to Abertillery | 3,492.63 mi (5,620.85 km) |
| Middle River to Aberystwyth | 3,440.89 mi (5,537.57 km) |
| Middle River to Abingdon | 3,569.53 mi (5,744.61 km) |
| Middle River to Abram | 3,480.88 mi (5,601.94 km) |
| Middle River to Accrington | 3,485.26 mi (5,608.98 km) |
| Middle River to Acomb | 3,530.07 mi (5,681.11 km) |
| Middle River to Acton | 3,614.14 mi (5,816.39 km) |
| Middle River to Addlestone | 3,608.31 mi (5,807.01 km) |
