| Castleford to Arcos de Valdevez | 882.12 mi (1,419.64 km) |
| Castleford to Arcozelo | 937.58 mi (1,508.89 km) |
| Castleford to Arganil | 983.57 mi (1,582.90 km) |
| Castleford to Arouca | 939.17 mi (1,511.45 km) |
| Castleford to Arruda dos Vinhos | 1,080.78 mi (1,739.35 km) |
| Castleford to Aveiro | 965.43 mi (1,553.71 km) |
| Castleford to Aver-o-Mar | 917.02 mi (1,475.80 km) |
| Castleford to Aves | 906.79 mi (1,459.33 km) |
| Castleford to Azambuja | 1,072.14 mi (1,725.44 km) |
| Castleford to Baiao | 920.51 mi (1,481.42 km) |
| Castleford to Barcelos | 907.05 mi (1,459.76 km) |
| Castleford to Barreiro | 1,101.71 mi (1,773.03 km) |
| Castleford to Batalha | 1,032.56 mi (1,661.75 km) |
| Castleford to Beja | 1,126.97 mi (1,813.69 km) |
| Castleford to Belas | 1,097.77 mi (1,766.69 km) |
