| Rietberg to Setubal | 1,240.25 mi (1,995.98 km) |
| Rietberg to Sever do Vouga | 1,103.44 mi (1,775.82 km) |
| Rietberg to Silves | 1,301.47 mi (2,094.51 km) |
| Rietberg to Sines | 1,271.12 mi (2,045.66 km) |
| Rietberg to Sintra | 1,241.33 mi (1,997.72 km) |
| Rietberg to Sobrado de Paiva | 1,084.34 mi (1,745.07 km) |
| Rietberg to Sobral de Monte Agraco | 1,221.59 mi (1,965.97 km) |
| Rietberg to Soure | 1,148.65 mi (1,848.57 km) |
| Rietberg to Tabua | 1,111.87 mi (1,789.38 km) |
| Rietberg to Tavira | 1,281.75 mi (2,062.78 km) |
| Rietberg to Tomar | 1,165.70 mi (1,876.01 km) |
| Rietberg to Tondela | 1,105.33 mi (1,778.85 km) |
| Rietberg to Torre de Moncorvo | 1,037.29 mi (1,669.35 km) |
| Rietberg to Torres Novas | 1,176.78 mi (1,893.85 km) |
| Rietberg to Torres Vedras | 1,221.84 mi (1,966.36 km) |
