| Silea to Bombarral | 1,174.57 mi (1,890.29 km) |
| Silea to Bougado | 1,083.54 mi (1,743.78 km) |
| Silea to Braga | 1,071.22 mi (1,723.96 km) |
| Silea to Braganca | 985.16 mi (1,585.46 km) |
| Silea to Cabeceiras de Basto | 1,052.39 mi (1,693.65 km) |
| Silea to Cacem | 1,198.73 mi (1,929.17 km) |
| Silea to Cadaval | 1,173.16 mi (1,888.01 km) |
| Silea to Caldas da Rainha | 1,169.03 mi (1,881.36 km) |
| Silea to Calheta | 1,798.15 mi (2,893.84 km) |
| Silea to Camara de Lobos | 1,790.92 mi (2,882.21 km) |
| Silea to Canico | 1,787.45 mi (2,876.63 km) |
| Silea to Cantanhede | 1,113.67 mi (1,792.27 km) |
| Silea to Carregal do Sal | 1,082.95 mi (1,742.84 km) |
| Silea to Cartaxo | 1,161.20 mi (1,868.78 km) |
| Silea to Cascais | 1,206.24 mi (1,941.26 km) |
