| Alexandroupoli to Sulakyurt | 415.07 mi (667.99 km) |
| Alexandroupoli to Sultanbeyli | 177.45 mi (285.59 km) |
| Alexandroupoli to Sultandagi | 327.07 mi (526.37 km) |
| Alexandroupoli to Sultanhani | 446.69 mi (718.88 km) |
| Alexandroupoli to Sultanhisar | 238.32 mi (383.54 km) |
| Alexandroupoli to Suluova | 511.11 mi (822.56 km) |
| Alexandroupoli to Sumbas | 592.91 mi (954.20 km) |
| Alexandroupoli to Sungurlu | 449.43 mi (723.29 km) |
| Alexandroupoli to Surmene | 743.37 mi (1,196.34 km) |
| Alexandroupoli to Suruc | 725.51 mi (1,167.59 km) |
| Alexandroupoli to Susehri | 643.56 mi (1,035.70 km) |
| Alexandroupoli to Susurluk | 136.94 mi (220.39 km) |
| Alexandroupoli to Susuz | 901.55 mi (1,450.90 km) |
| Alexandroupoli to Sutculer | 358.80 mi (577.43 km) |
| Alexandroupoli to Talas | 536.14 mi (862.83 km) |
