| Castalla to Aberbargoed | 913.49 mi (1,470.12 km) |
| Castalla to Aberdare | 916.10 mi (1,474.31 km) |
| Castalla to Aberdeen | 1,283.57 mi (2,065.71 km) |
| Castalla to Abergavenny | 920.90 mi (1,482.04 km) |
| Castalla to Abergele | 1,023.88 mi (1,647.78 km) |
| Castalla to Abertawe | 913.45 mi (1,470.06 km) |
| Castalla to Abertillery | 915.16 mi (1,472.80 km) |
| Castalla to Aberystwyth | 968.58 mi (1,558.77 km) |
| Castalla to Abingdon | 903.55 mi (1,454.13 km) |
| Castalla to Abram | 1,034.27 mi (1,664.49 km) |
| Castalla to Accrington | 1,050.28 mi (1,690.26 km) |
| Castalla to Acomb | 1,061.37 mi (1,708.11 km) |
| Castalla to Acton | 892.67 mi (1,436.62 km) |
| Castalla to Addlestone | 882.56 mi (1,420.34 km) |
| Castalla to Adel | 1,054.71 mi (1,697.39 km) |
