| Cosham to Cascais | 932.20 mi (1,500.23 km) |
| Cosham to Castelo Branco | 822.64 mi (1,323.91 km) |
| Cosham to Castro Daire | 761.47 mi (1,225.46 km) |
| Cosham to Celorico de Basto | 732.34 mi (1,178.58 km) |
| Cosham to Chamusca | 871.51 mi (1,402.56 km) |
| Cosham to Chaves | 698.65 mi (1,124.36 km) |
| Cosham to Cinfaes | 753.02 mi (1,211.87 km) |
| Cosham to Coimbra | 815.48 mi (1,312.39 km) |
| Cosham to Condeixa-a-Nova | 822.95 mi (1,324.41 km) |
| Cosham to Corroios | 932.08 mi (1,500.04 km) |
| Cosham to Coruche | 897.62 mi (1,444.57 km) |
| Cosham to Costa de Caparica | 931.93 mi (1,499.79 km) |
| Cosham to Covilha | 792.43 mi (1,275.30 km) |
| Cosham to Eiras | 813.40 mi (1,309.05 km) |
| Cosham to Elvas | 878.71 mi (1,414.15 km) |
