| Viera West to Cascais | 4,071.70 mi (6,552.77 km) |
| Viera West to Castelo Branco | 4,153.91 mi (6,685.08 km) |
| Viera West to Castro Daire | 4,114.88 mi (6,622.26 km) |
| Viera West to Celorico de Basto | 4,104.33 mi (6,605.28 km) |
| Viera West to Chamusca | 4,110.34 mi (6,614.96 km) |
| Viera West to Chaves | 4,125.79 mi (6,639.81 km) |
| Viera West to Cinfaes | 4,101.72 mi (6,601.09 km) |
| Viera West to Coimbra | 4,099.86 mi (6,598.09 km) |
| Viera West to Condeixa-a-Nova | 4,097.65 mi (6,594.53 km) |
| Viera West to Corroios | 4,087.01 mi (6,577.41 km) |
| Viera West to Coruche | 4,114.29 mi (6,621.31 km) |
| Viera West to Costa de Caparica | 4,082.08 mi (6,569.48 km) |
| Viera West to Covilha | 4,146.52 mi (6,673.17 km) |
| Viera West to Eiras | 4,099.66 mi (6,597.77 km) |
| Viera West to Elvas | 4,187.68 mi (6,739.42 km) |
