| Alexandroupoli to Smolyan | 79.02 mi (127.17 km) |
| Alexandroupoli to Sofia | 182.80 mi (294.19 km) |
| Alexandroupoli to Sopot | 137.04 mi (220.54 km) |
| Alexandroupoli to Sozopol | 143.80 mi (231.42 km) |
| Alexandroupoli to Sredets | 124.44 mi (200.27 km) |
| Alexandroupoli to Stamboliyski | 112.35 mi (180.82 km) |
| Alexandroupoli to Stara Zagora | 109.97 mi (176.97 km) |
| Alexandroupoli to Svilengrad | 65.66 mi (105.67 km) |
| Alexandroupoli to Svishtov | 192.98 mi (310.57 km) |
| Alexandroupoli to Targovishte | 169.85 mi (273.35 km) |
| Alexandroupoli to Teteven | 164.81 mi (265.23 km) |
| Alexandroupoli to Troyan | 152.44 mi (245.32 km) |
| Alexandroupoli to Tryavna | 140.63 mi (226.32 km) |
| Alexandroupoli to Tutrakan | 224.38 mi (361.10 km) |
| Alexandroupoli to Varna | 194.43 mi (312.90 km) |
