| Silleda to Sesimbra | 297.57 mi (478.89 km) |
| Silleda to Setubal | 290.58 mi (467.64 km) |
| Silleda to Sever do Vouga | 136.06 mi (218.97 km) |
| Silleda to Silves | 381.07 mi (613.28 km) |
| Silleda to Sines | 329.55 mi (530.35 km) |
| Silleda to Sintra | 276.21 mi (444.51 km) |
| Silleda to Sobrado de Paiva | 115.17 mi (185.35 km) |
| Silleda to Sobral de Monte Agraco | 258.89 mi (416.64 km) |
| Silleda to Soure | 184.27 mi (296.55 km) |
| Silleda to Tabua | 162.00 mi (260.72 km) |
| Silleda to Tavira | 387.00 mi (622.82 km) |
| Silleda to Tomar | 214.40 mi (345.05 km) |
| Silleda to Tondela | 151.05 mi (243.09 km) |
| Silleda to Torre de Moncorvo | 118.05 mi (189.98 km) |
| Silleda to Torres Novas | 223.94 mi (360.40 km) |
