| Valley to Cascais | 4,145.22 mi (6,671.09 km) |
| Valley to Castelo Branco | 4,215.22 mi (6,783.74 km) |
| Valley to Castro Daire | 4,168.45 mi (6,708.47 km) |
| Valley to Celorico de Basto | 4,154.18 mi (6,685.51 km) |
| Valley to Chamusca | 4,177.08 mi (6,722.36 km) |
| Valley to Chaves | 4,171.92 mi (6,714.06 km) |
| Valley to Cinfaes | 4,154.04 mi (6,685.29 km) |
| Valley to Coimbra | 4,159.72 mi (6,694.43 km) |
| Valley to Condeixa-a-Nova | 4,158.38 mi (6,692.26 km) |
| Valley to Corroios | 4,160.72 mi (6,696.03 km) |
| Valley to Coruche | 4,184.18 mi (6,733.78 km) |
| Valley to Costa de Caparica | 4,155.71 mi (6,687.97 km) |
| Valley to Covilha | 4,204.18 mi (6,765.97 km) |
| Valley to Eiras | 4,159.27 mi (6,693.70 km) |
| Valley to Elvas | 4,255.71 mi (6,848.90 km) |
