| Alexandroupoli to Serik | 391.11 mi (629.43 km) |
| Alexandroupoli to Serinhisar | 290.14 mi (466.94 km) |
| Alexandroupoli to Serinyol | 637.52 mi (1,025.98 km) |
| Alexandroupoli to Seydisehir | 398.67 mi (641.60 km) |
| Alexandroupoli to Seyhan | 574.30 mi (924.25 km) |
| Alexandroupoli to Seyitgazi | 272.74 mi (438.93 km) |
| Alexandroupoli to Siirt | 880.71 mi (1,417.36 km) |
| Alexandroupoli to Sile | 196.58 mi (316.37 km) |
| Alexandroupoli to Silifke | 533.63 mi (858.79 km) |
| Alexandroupoli to Silivri | 125.19 mi (201.47 km) |
| Alexandroupoli to Silopi | 923.40 mi (1,486.06 km) |
| Alexandroupoli to Simav | 205.25 mi (330.32 km) |
| Alexandroupoli to Sinanpasa | 274.16 mi (441.22 km) |
| Alexandroupoli to Sindirgi | 165.16 mi (265.80 km) |
| Alexandroupoli to Sinop | 487.47 mi (784.51 km) |
