| Sierre to Benavente | 969.83 mi (1,560.79 km) |
| Sierre to Bombarral | 972.96 mi (1,565.83 km) |
| Sierre to Bougado | 870.43 mi (1,400.83 km) |
| Sierre to Braga | 857.12 mi (1,379.40 km) |
| Sierre to Braganca | 773.19 mi (1,244.32 km) |
| Sierre to Cabeceiras de Basto | 839.27 mi (1,350.68 km) |
| Sierre to Cacem | 999.84 mi (1,609.09 km) |
| Sierre to Cadaval | 971.95 mi (1,564.20 km) |
| Sierre to Caldas da Rainha | 966.58 mi (1,555.56 km) |
| Sierre to Calheta | 1,605.39 mi (2,583.62 km) |
| Sierre to Camara de Lobos | 1,598.85 mi (2,573.11 km) |
| Sierre to Canico | 1,596.01 mi (2,568.53 km) |
| Sierre to Cantanhede | 906.73 mi (1,459.23 km) |
| Sierre to Carregal do Sal | 877.12 mi (1,411.59 km) |
| Sierre to Cartaxo | 961.58 mi (1,547.51 km) |
