| Portes-les-Valence to Castelo Branco | 721.05 mi (1,160.41 km) |
| Portes-les-Valence to Castro Daire | 703.20 mi (1,131.69 km) |
| Portes-les-Valence to Celorico de Basto | 691.69 mi (1,113.17 km) |
| Portes-les-Valence to Chamusca | 782.52 mi (1,259.34 km) |
| Portes-les-Valence to Chaves | 656.68 mi (1,056.82 km) |
| Portes-les-Valence to Cinfaes | 706.33 mi (1,136.73 km) |
| Portes-les-Valence to Coimbra | 748.81 mi (1,205.10 km) |
| Portes-les-Valence to Condeixa-a-Nova | 755.31 mi (1,215.56 km) |
| Portes-les-Valence to Corroios | 840.83 mi (1,353.18 km) |
| Portes-les-Valence to Coruche | 799.74 mi (1,287.06 km) |
| Portes-les-Valence to Costa de Caparica | 843.37 mi (1,357.27 km) |
| Portes-les-Valence to Covilha | 704.00 mi (1,132.97 km) |
| Portes-les-Valence to Eiras | 747.51 mi (1,203.00 km) |
| Portes-les-Valence to Elvas | 743.84 mi (1,197.09 km) |
| Portes-les-Valence to Entroncamento | 777.47 mi (1,251.21 km) |
