| Middle Valley to Cascais | 4,067.50 mi (6,546.00 km) |
| Middle Valley to Castelo Branco | 4,132.93 mi (6,651.31 km) |
| Middle Valley to Castro Daire | 4,083.61 mi (6,571.93 km) |
| Middle Valley to Celorico de Basto | 4,068.10 mi (6,546.98 km) |
| Middle Valley to Chamusca | 4,096.83 mi (6,593.20 km) |
| Middle Valley to Chaves | 4,084.51 mi (6,573.39 km) |
| Middle Valley to Cinfaes | 4,068.82 mi (6,548.14 km) |
| Middle Valley to Coimbra | 4,077.11 mi (6,561.47 km) |
| Middle Valley to Condeixa-a-Nova | 4,076.07 mi (6,559.80 km) |
| Middle Valley to Corroios | 4,083.01 mi (6,570.97 km) |
| Middle Valley to Coruche | 4,105.02 mi (6,606.40 km) |
| Middle Valley to Costa de Caparica | 4,077.99 mi (6,562.89 km) |
| Middle Valley to Covilha | 4,120.65 mi (6,631.54 km) |
| Middle Valley to Eiras | 4,076.57 mi (6,560.60 km) |
| Middle Valley to Elvas | 4,175.66 mi (6,720.07 km) |
