| Saarlouis to Setubal | 1,074.01 mi (1,728.46 km) |
| Saarlouis to Sever do Vouga | 943.94 mi (1,519.12 km) |
| Saarlouis to Silves | 1,130.06 mi (1,818.66 km) |
| Saarlouis to Sines | 1,103.03 mi (1,775.16 km) |
| Saarlouis to Sintra | 1,077.61 mi (1,734.25 km) |
| Saarlouis to Sobrado de Paiva | 925.86 mi (1,490.03 km) |
| Saarlouis to Sobral de Monte Agraco | 1,057.88 mi (1,702.49 km) |
| Saarlouis to Soure | 987.14 mi (1,588.64 km) |
| Saarlouis to Tabua | 949.51 mi (1,528.09 km) |
| Saarlouis to Tavira | 1,108.03 mi (1,783.20 km) |
| Saarlouis to Tomar | 1,001.67 mi (1,612.03 km) |
| Saarlouis to Tondela | 943.83 mi (1,518.94 km) |
| Saarlouis to Torre de Moncorvo | 875.33 mi (1,408.71 km) |
| Saarlouis to Torres Novas | 1,012.65 mi (1,629.70 km) |
| Saarlouis to Torres Vedras | 1,058.74 mi (1,703.88 km) |
