| Siniscola to Bombarral | 1,001.08 mi (1,611.08 km) |
| Siniscola to Bougado | 952.27 mi (1,532.52 km) |
| Siniscola to Braga | 944.46 mi (1,519.95 km) |
| Siniscola to Braganca | 858.48 mi (1,381.58 km) |
| Siniscola to Cabeceiras de Basto | 923.65 mi (1,486.47 km) |
| Siniscola to Cacem | 1,016.33 mi (1,635.62 km) |
| Siniscola to Cadaval | 998.65 mi (1,607.17 km) |
| Siniscola to Caldas da Rainha | 998.24 mi (1,606.50 km) |
| Siniscola to Calheta | 1,577.17 mi (2,538.21 km) |
| Siniscola to Camara de Lobos | 1,568.51 mi (2,524.27 km) |
| Siniscola to Canico | 1,563.70 mi (2,516.54 km) |
| Siniscola to Cantanhede | 959.93 mi (1,544.85 km) |
| Siniscola to Carregal do Sal | 928.18 mi (1,493.76 km) |
| Siniscola to Cartaxo | 983.17 mi (1,582.27 km) |
| Siniscola to Cascais | 1,023.14 mi (1,646.58 km) |
