| Idil to Aberbargoed | 2,386.53 mi (3,840.75 km) |
| Idil to Aberdare | 2,396.06 mi (3,856.09 km) |
| Idil to Aberdeen | 2,414.01 mi (3,884.97 km) |
| Idil to Abergavenny | 2,378.75 mi (3,828.23 km) |
| Idil to Abergele | 2,415.63 mi (3,887.59 km) |
| Idil to Abertawe | 2,416.88 mi (3,889.60 km) |
| Idil to Abertillery | 2,382.80 mi (3,834.74 km) |
| Idil to Aberystwyth | 2,428.43 mi (3,908.18 km) |
| Idil to Abingdon | 2,303.81 mi (3,707.62 km) |
| Idil to Abram | 2,377.76 mi (3,826.64 km) |
| Idil to Accrington | 2,371.66 mi (3,816.81 km) |
| Idil to Acomb | 2,324.80 mi (3,741.41 km) |
| Idil to Acton | 2,259.26 mi (3,635.92 km) |
| Idil to Addlestone | 2,267.09 mi (3,648.53 km) |
| Idil to Adel | 2,341.65 mi (3,768.53 km) |
