| Castleford to Benavente | 1,077.73 mi (1,734.44 km) |
| Castleford to Bombarral | 1,063.42 mi (1,711.41 km) |
| Castleford to Bougado | 917.81 mi (1,477.08 km) |
| Castleford to Braga | 901.54 mi (1,450.89 km) |
| Castleford to Braganca | 859.64 mi (1,383.45 km) |
| Castleford to Cabeceiras de Basto | 896.11 mi (1,442.14 km) |
| Castleford to Cacem | 1,098.68 mi (1,768.16 km) |
| Castleford to Cadaval | 1,064.82 mi (1,713.67 km) |
| Castleford to Caldas da Rainha | 1,053.95 mi (1,696.16 km) |
| Castleford to Calheta | 1,645.90 mi (2,648.82 km) |
| Castleford to Camara de Lobos | 1,643.50 mi (2,644.96 km) |
| Castleford to Canico | 1,644.02 mi (2,645.79 km) |
| Castleford to Cantanhede | 983.41 mi (1,582.64 km) |
| Castleford to Carregal do Sal | 968.49 mi (1,558.64 km) |
| Castleford to Cartaxo | 1,065.34 mi (1,714.50 km) |
