| Ostend to Sulakyurt | 1,654.77 mi (2,663.10 km) |
| Ostend to Sultanbeyli | 1,436.15 mi (2,311.26 km) |
| Ostend to Sultandagi | 1,624.74 mi (2,614.76 km) |
| Ostend to Sultanhani | 1,731.62 mi (2,786.78 km) |
| Ostend to Sultanhisar | 1,534.03 mi (2,468.78 km) |
| Ostend to Suluova | 1,708.00 mi (2,748.76 km) |
| Ostend to Sumbas | 1,870.31 mi (3,009.97 km) |
| Ostend to Sungurlu | 1,682.18 mi (2,707.21 km) |
| Ostend to Surmene | 1,895.09 mi (3,049.86 km) |
| Ostend to Suruc | 1,990.79 mi (3,203.87 km) |
| Ostend to Susehri | 1,838.90 mi (2,959.42 km) |
| Ostend to Susurluk | 1,438.40 mi (2,314.89 km) |
| Ostend to Susuz | 2,030.40 mi (3,267.61 km) |
| Ostend to Sutculer | 1,663.50 mi (2,677.14 km) |
| Ostend to Talas | 1,795.48 mi (2,889.55 km) |
