| Portishead to Cascais | 940.07 mi (1,512.89 km) |
| Portishead to Castelo Branco | 837.52 mi (1,347.86 km) |
| Portishead to Castro Daire | 771.48 mi (1,241.57 km) |
| Portishead to Celorico de Basto | 740.63 mi (1,191.93 km) |
| Portishead to Chamusca | 882.41 mi (1,420.10 km) |
| Portishead to Chaves | 708.95 mi (1,140.95 km) |
| Portishead to Cinfaes | 761.38 mi (1,225.33 km) |
| Portishead to Coimbra | 824.62 mi (1,327.10 km) |
| Portishead to Condeixa-a-Nova | 831.96 mi (1,338.91 km) |
| Portishead to Corroios | 941.38 mi (1,515.00 km) |
| Portishead to Coruche | 909.15 mi (1,463.13 km) |
| Portishead to Costa de Caparica | 940.76 mi (1,514.01 km) |
| Portishead to Covilha | 806.30 mi (1,297.61 km) |
| Portishead to Eiras | 822.49 mi (1,323.68 km) |
| Portishead to Elvas | 897.16 mi (1,443.84 km) |
