| Ostend to Santander | 621.33 mi (999.94 km) |
| Ostend to Santany | 820.31 mi (1,320.16 km) |
| Ostend to Santiago de Compostela | 788.10 mi (1,268.33 km) |
| Ostend to Santiago del Teide | 1,886.43 mi (3,035.91 km) |
| Ostend to Santiponce | 1,048.92 mi (1,688.08 km) |
| Ostend to Santomera | 929.88 mi (1,496.50 km) |
| Ostend to Santona | 614.64 mi (989.16 km) |
| Ostend to Santurce-Antiguo | 612.22 mi (985.28 km) |
| Ostend to Sarria | 758.41 mi (1,220.54 km) |
| Ostend to Sauzal | 1,864.55 mi (3,000.70 km) |
| Ostend to Sedavi | 830.64 mi (1,336.78 km) |
| Ostend to Segorbe | 802.76 mi (1,291.91 km) |
| Ostend to Segovia | 785.26 mi (1,263.76 km) |
| Ostend to Senmanat | 665.52 mi (1,071.05 km) |
| Ostend to Sesena | 831.42 mi (1,338.04 km) |
