| Portage to Cascais | 3,874.20 mi (6,234.92 km) |
| Portage to Castelo Branco | 3,924.57 mi (6,315.98 km) |
| Portage to Castro Daire | 3,867.78 mi (6,224.60 km) |
| Portage to Celorico de Basto | 3,848.55 mi (6,193.64 km) |
| Portage to Chamusca | 3,895.27 mi (6,268.83 km) |
| Portage to Chaves | 3,860.56 mi (6,212.98 km) |
| Portage to Cinfaes | 3,851.95 mi (6,199.12 km) |
| Portage to Coimbra | 3,868.35 mi (6,225.52 km) |
| Portage to Condeixa-a-Nova | 3,868.30 mi (6,225.43 km) |
| Portage to Corroios | 3,889.57 mi (6,259.66 km) |
| Portage to Coruche | 3,906.81 mi (6,287.40 km) |
| Portage to Costa de Caparica | 3,884.57 mi (6,251.61 km) |
| Portage to Covilha | 3,908.53 mi (6,290.16 km) |
| Portage to Eiras | 3,867.54 mi (6,224.21 km) |
| Portage to Elvas | 3,973.84 mi (6,395.27 km) |
