| Slupca to Setubal | 1,594.26 mi (2,565.72 km) |
| Slupca to Sever do Vouga | 1,468.72 mi (2,363.67 km) |
| Slupca to Silves | 1,644.40 mi (2,646.41 km) |
| Slupca to Sines | 1,621.43 mi (2,609.44 km) |
| Slupca to Sintra | 1,599.76 mi (2,574.56 km) |
| Slupca to Sobrado de Paiva | 1,451.06 mi (2,335.26 km) |
| Slupca to Sobral de Monte Agraco | 1,580.10 mi (2,542.93 km) |
| Slupca to Soure | 1,510.89 mi (2,431.54 km) |
| Slupca to Tabua | 1,472.93 mi (2,370.46 km) |
| Slupca to Tavira | 1,619.03 mi (2,605.58 km) |
| Slupca to Tomar | 1,523.89 mi (2,452.46 km) |
| Slupca to Tondela | 1,467.72 mi (2,362.07 km) |
| Slupca to Torre de Moncorvo | 1,399.24 mi (2,251.85 km) |
| Slupca to Torres Novas | 1,534.75 mi (2,469.95 km) |
| Slupca to Torres Vedras | 1,581.36 mi (2,544.95 km) |
