| Ostend to Setubal | 1,048.14 mi (1,686.82 km) |
| Ostend to Sever do Vouga | 902.92 mi (1,453.11 km) |
| Ostend to Silves | 1,118.37 mi (1,799.85 km) |
| Ostend to Sines | 1,081.89 mi (1,741.13 km) |
| Ostend to Sintra | 1,045.09 mi (1,681.91 km) |
| Ostend to Sobrado de Paiva | 882.70 mi (1,420.56 km) |
| Ostend to Sobral de Monte Agraco | 1,025.60 mi (1,650.55 km) |
| Ostend to Soure | 950.31 mi (1,529.38 km) |
| Ostend to Tabua | 915.36 mi (1,473.13 km) |
| Ostend to Tavira | 1,104.07 mi (1,776.83 km) |
| Ostend to Tomar | 970.98 mi (1,562.64 km) |
| Ostend to Tondela | 907.63 mi (1,460.70 km) |
| Ostend to Torre de Moncorvo | 841.45 mi (1,354.18 km) |
| Ostend to Torres Novas | 982.07 mi (1,580.49 km) |
| Ostend to Torres Vedras | 1,024.90 mi (1,649.41 km) |
