| Cal to Aberbargoed | 1,830.93 mi (2,946.60 km) |
| Cal to Aberdare | 1,840.28 mi (2,961.65 km) |
| Cal to Aberdeen | 1,941.00 mi (3,123.74 km) |
| Cal to Abergavenny | 1,825.26 mi (2,937.48 km) |
| Cal to Abergele | 1,881.19 mi (3,027.48 km) |
| Cal to Abertawe | 1,858.94 mi (2,991.68 km) |
| Cal to Abertillery | 1,827.82 mi (2,941.59 km) |
| Cal to Aberystwyth | 1,880.99 mi (3,027.15 km) |
| Cal to Abingdon | 1,751.70 mi (2,819.09 km) |
| Cal to Abram | 1,848.85 mi (2,975.44 km) |
| Cal to Accrington | 1,846.87 mi (2,972.25 km) |
| Cal to Acomb | 1,806.38 mi (2,907.09 km) |
| Cal to Acton | 1,707.31 mi (2,747.65 km) |
| Cal to Addlestone | 1,712.58 mi (2,756.12 km) |
| Cal to Adel | 1,820.35 mi (2,929.57 km) |
