| River Grove to Cascais | 3,986.92 mi (6,416.32 km) |
| River Grove to Castelo Branco | 4,036.12 mi (6,495.52 km) |
| River Grove to Castro Daire | 3,978.77 mi (6,403.21 km) |
| River Grove to Celorico de Basto | 3,959.23 mi (6,371.76 km) |
| River Grove to Chamusca | 4,007.37 mi (6,449.25 km) |
| River Grove to Chaves | 3,970.84 mi (6,390.45 km) |
| River Grove to Cinfaes | 3,962.86 mi (6,377.61 km) |
| River Grove to Coimbra | 3,979.92 mi (6,405.07 km) |
| River Grove to Condeixa-a-Nova | 3,979.95 mi (6,405.10 km) |
| River Grove to Corroios | 4,002.27 mi (6,441.03 km) |
| River Grove to Coruche | 4,019.16 mi (6,468.21 km) |
| River Grove to Costa de Caparica | 3,997.28 mi (6,433.00 km) |
| River Grove to Covilha | 4,019.79 mi (6,469.23 km) |
| River Grove to Eiras | 3,979.09 mi (6,403.73 km) |
| River Grove to Elvas | 4,085.87 mi (6,575.57 km) |
