| Middle River to Cascais | 3,509.44 mi (5,647.89 km) |
| Middle River to Castelo Branco | 3,573.28 mi (5,750.63 km) |
| Middle River to Castro Daire | 3,523.36 mi (5,670.30 km) |
| Middle River to Celorico de Basto | 3,507.64 mi (5,644.99 km) |
| Middle River to Chamusca | 3,537.81 mi (5,693.55 km) |
| Middle River to Chaves | 3,523.85 mi (5,671.09 km) |
| Middle River to Cinfaes | 3,508.50 mi (5,646.39 km) |
| Middle River to Coimbra | 3,517.38 mi (5,660.68 km) |
| Middle River to Condeixa-a-Nova | 3,516.43 mi (5,659.15 km) |
| Middle River to Corroios | 3,524.94 mi (5,672.85 km) |
| Middle River to Coruche | 3,546.39 mi (5,707.36 km) |
| Middle River to Costa de Caparica | 3,519.92 mi (5,664.77 km) |
| Middle River to Covilha | 3,560.68 mi (5,730.36 km) |
| Middle River to Eiras | 3,516.82 mi (5,659.77 km) |
| Middle River to Elvas | 3,616.68 mi (5,820.48 km) |
