| Altdorf to Benavente | 1,033.86 mi (1,663.83 km) |
| Altdorf to Bombarral | 1,036.61 mi (1,668.26 km) |
| Altdorf to Bougado | 932.10 mi (1,500.06 km) |
| Altdorf to Braga | 918.55 mi (1,478.26 km) |
| Altdorf to Braganca | 835.27 mi (1,344.24 km) |
| Altdorf to Cabeceiras de Basto | 900.98 mi (1,449.99 km) |
| Altdorf to Cacem | 1,063.80 mi (1,712.02 km) |
| Altdorf to Cadaval | 1,035.64 mi (1,666.71 km) |
| Altdorf to Caldas da Rainha | 1,030.11 mi (1,657.81 km) |
| Altdorf to Calheta | 1,669.66 mi (2,687.06 km) |
| Altdorf to Camara de Lobos | 1,663.19 mi (2,676.65 km) |
| Altdorf to Canico | 1,660.40 mi (2,672.16 km) |
| Altdorf to Cantanhede | 969.62 mi (1,560.45 km) |
| Altdorf to Carregal do Sal | 940.24 mi (1,513.17 km) |
| Altdorf to Cartaxo | 1,025.48 mi (1,650.35 km) |
