| Gladbeck to Sulakyurt | 1,496.53 mi (2,408.43 km) |
| Gladbeck to Sultanbeyli | 1,284.09 mi (2,066.54 km) |
| Gladbeck to Sultandagi | 1,476.21 mi (2,375.73 km) |
| Gladbeck to Sultanhani | 1,578.92 mi (2,541.03 km) |
| Gladbeck to Sultanhisar | 1,395.91 mi (2,246.51 km) |
| Gladbeck to Suluova | 1,545.15 mi (2,486.68 km) |
| Gladbeck to Sumbas | 1,715.01 mi (2,760.04 km) |
| Gladbeck to Sungurlu | 1,522.85 mi (2,450.79 km) |
| Gladbeck to Surmene | 1,727.11 mi (2,779.52 km) |
| Gladbeck to Suruc | 1,832.57 mi (2,949.23 km) |
| Gladbeck to Susehri | 1,674.43 mi (2,694.73 km) |
| Gladbeck to Susurluk | 1,292.88 mi (2,080.69 km) |
| Gladbeck to Susuz | 1,860.16 mi (2,993.63 km) |
| Gladbeck to Sutculer | 1,518.84 mi (2,444.33 km) |
| Gladbeck to Talas | 1,637.94 mi (2,636.00 km) |
