| Castleford to Cascais | 1,105.08 mi (1,778.45 km) |
| Castleford to Castelo Branco | 1,002.47 mi (1,613.32 km) |
| Castleford to Castro Daire | 936.59 mi (1,507.30 km) |
| Castleford to Celorico de Basto | 905.72 mi (1,457.61 km) |
| Castleford to Chamusca | 1,047.53 mi (1,685.83 km) |
| Castleford to Chaves | 874.07 mi (1,406.68 km) |
| Castleford to Cinfaes | 926.47 mi (1,491.01 km) |
| Castleford to Coimbra | 989.72 mi (1,592.80 km) |
| Castleford to Condeixa-a-Nova | 997.05 mi (1,604.60 km) |
| Castleford to Corroios | 1,106.46 mi (1,780.68 km) |
| Castleford to Coruche | 1,074.27 mi (1,728.86 km) |
| Castleford to Costa de Caparica | 1,105.83 mi (1,779.65 km) |
| Castleford to Covilha | 971.31 mi (1,563.18 km) |
| Castleford to Eiras | 987.59 mi (1,589.37 km) |
| Castleford to Elvas | 1,061.74 mi (1,708.71 km) |
