| Castleford to Alenquer | 1,075.59 mi (1,730.99 km) |
| Castleford to Alfena | 923.72 mi (1,486.59 km) |
| Castleford to Alijo | 904.90 mi (1,456.30 km) |
| Castleford to Aljustrel | 1,138.55 mi (1,832.31 km) |
| Castleford to Almada | 1,102.24 mi (1,773.89 km) |
| Castleford to Almargem | 1,093.01 mi (1,759.03 km) |
| Castleford to Almeirim | 1,059.48 mi (1,705.07 km) |
| Castleford to Amadora | 1,099.93 mi (1,770.17 km) |
| Castleford to Amarante | 914.44 mi (1,471.65 km) |
| Castleford to Amares | 895.76 mi (1,441.58 km) |
| Castleford to Amora | 1,105.18 mi (1,778.62 km) |
| Castleford to Anadia | 975.12 mi (1,569.31 km) |
| Castleford to Angra do Heroismo | 1,600.52 mi (2,575.78 km) |
| Castleford to Ansiao | 1,009.24 mi (1,624.21 km) |
| Castleford to Anta | 940.49 mi (1,513.58 km) |
