| Rhymney to Cascais | 949.53 mi (1,528.11 km) |
| Rhymney to Castelo Branco | 849.41 mi (1,366.99 km) |
| Rhymney to Castro Daire | 781.99 mi (1,258.48 km) |
| Rhymney to Celorico de Basto | 750.68 mi (1,208.10 km) |
| Rhymney to Chamusca | 892.95 mi (1,437.06 km) |
| Rhymney to Chaves | 719.73 mi (1,158.30 km) |
| Rhymney to Cinfaes | 771.40 mi (1,241.44 km) |
| Rhymney to Coimbra | 834.72 mi (1,343.36 km) |
| Rhymney to Condeixa-a-Nova | 842.01 mi (1,355.08 km) |
| Rhymney to Corroios | 951.29 mi (1,530.96 km) |
| Rhymney to Coruche | 919.84 mi (1,480.34 km) |
| Rhymney to Costa de Caparica | 950.53 mi (1,529.73 km) |
| Rhymney to Covilha | 817.94 mi (1,316.35 km) |
| Rhymney to Eiras | 832.59 mi (1,339.92 km) |
| Rhymney to Elvas | 910.03 mi (1,464.56 km) |
