| River Falls to Cascais | 4,116.00 mi (6,624.06 km) |
| River Falls to Castelo Branco | 4,154.94 mi (6,686.73 km) |
| River Falls to Castro Daire | 4,093.22 mi (6,587.39 km) |
| River Falls to Celorico de Basto | 4,071.37 mi (6,552.24 km) |
| River Falls to Chamusca | 4,130.93 mi (6,648.10 km) |
| River Falls to Chaves | 4,079.89 mi (6,565.95 km) |
| River Falls to Cinfaes | 4,076.77 mi (6,560.93 km) |
| River Falls to Coimbra | 4,099.05 mi (6,596.79 km) |
| River Falls to Condeixa-a-Nova | 4,099.72 mi (6,597.87 km) |
| River Falls to Corroios | 4,131.11 mi (6,648.38 km) |
| River Falls to Coruche | 4,144.77 mi (6,670.36 km) |
| River Falls to Costa de Caparica | 4,126.18 mi (6,640.45 km) |
| River Falls to Covilha | 4,136.28 mi (6,656.71 km) |
| River Falls to Eiras | 4,098.05 mi (6,595.18 km) |
| River Falls to Elvas | 4,208.47 mi (6,772.89 km) |
