| Spodnji Duplek to Smolyan | 559.21 mi (899.96 km) |
| Spodnji Duplek to Sofia | 456.06 mi (733.97 km) |
| Spodnji Duplek to Sopot | 516.53 mi (831.27 km) |
| Spodnji Duplek to Sozopol | 652.75 mi (1,050.49 km) |
| Spodnji Duplek to Sredets | 633.03 mi (1,018.77 km) |
| Spodnji Duplek to Stamboliyski | 528.56 mi (850.64 km) |
| Spodnji Duplek to Stara Zagora | 562.95 mi (905.98 km) |
| Spodnji Duplek to Svilengrad | 612.32 mi (985.43 km) |
| Spodnji Duplek to Svishtov | 508.97 mi (819.11 km) |
| Spodnji Duplek to Targovishte | 575.65 mi (926.41 km) |
| Spodnji Duplek to Teteven | 485.91 mi (782.00 km) |
| Spodnji Duplek to Troyan | 506.24 mi (814.72 km) |
| Spodnji Duplek to Tryavna | 540.53 mi (869.89 km) |
| Spodnji Duplek to Tutrakan | 554.51 mi (892.40 km) |
| Spodnji Duplek to Varna | 637.04 mi (1,025.22 km) |
