| Oudenburg to Setubal | 1,047.97 mi (1,686.54 km) |
| Oudenburg to Sever do Vouga | 903.00 mi (1,453.24 km) |
| Oudenburg to Silves | 1,117.92 mi (1,799.12 km) |
| Oudenburg to Sines | 1,081.63 mi (1,740.71 km) |
| Oudenburg to Sintra | 1,045.06 mi (1,681.86 km) |
| Oudenburg to Sobrado de Paiva | 882.82 mi (1,420.76 km) |
| Oudenburg to Sobral de Monte Agraco | 1,025.56 mi (1,650.48 km) |
| Oudenburg to Soure | 950.33 mi (1,529.41 km) |
| Oudenburg to Tabua | 915.30 mi (1,473.04 km) |
| Oudenburg to Tavira | 1,103.45 mi (1,775.83 km) |
| Oudenburg to Tomar | 970.87 mi (1,562.47 km) |
| Oudenburg to Tondela | 907.62 mi (1,460.67 km) |
| Oudenburg to Torre de Moncorvo | 841.34 mi (1,354.00 km) |
| Oudenburg to Torres Novas | 981.97 mi (1,580.32 km) |
| Oudenburg to Torres Vedras | 1,024.88 mi (1,649.39 km) |
