| Middlesex to Aberaman | 3,348.04 mi (5,388.16 km) |
| Middlesex to Aberbargoed | 3,356.71 mi (5,402.10 km) |
| Middlesex to Aberdare | 3,347.31 mi (5,386.98 km) |
| Middlesex to Aberdeen | 3,306.14 mi (5,320.72 km) |
| Middlesex to Abergavenny | 3,362.73 mi (5,411.79 km) |
| Middlesex to Abergele | 3,312.84 mi (5,331.50 km) |
| Middlesex to Abertawe | 3,328.37 mi (5,356.50 km) |
| Middlesex to Abertillery | 3,359.92 mi (5,407.27 km) |
| Middlesex to Aberystwyth | 3,308.16 mi (5,323.97 km) |
| Middlesex to Abingdon | 3,436.81 mi (5,531.02 km) |
| Middlesex to Abram | 3,348.22 mi (5,388.44 km) |
| Middlesex to Accrington | 3,352.62 mi (5,395.52 km) |
| Middlesex to Acomb | 3,397.49 mi (5,467.73 km) |
| Middlesex to Acton | 3,481.42 mi (5,602.80 km) |
| Middlesex to Addlestone | 3,475.59 mi (5,593.42 km) |
