| Bastogne to Sofia | 976.20 mi (1,571.04 km) |
| Bastogne to Sopot | 1,036.21 mi (1,667.62 km) |
| Bastogne to Sozopol | 1,168.47 mi (1,880.48 km) |
| Bastogne to Sredets | 1,150.05 mi (1,850.82 km) |
| Bastogne to Stamboliyski | 1,048.74 mi (1,687.78 km) |
| Bastogne to Stara Zagora | 1,082.12 mi (1,741.51 km) |
| Bastogne to Svilengrad | 1,132.17 mi (1,822.05 km) |
| Bastogne to Svishtov | 1,023.74 mi (1,647.55 km) |
| Bastogne to Targovishte | 1,089.54 mi (1,753.44 km) |
| Bastogne to Teteven | 1,005.56 mi (1,618.29 km) |
| Bastogne to Troyan | 1,025.46 mi (1,650.32 km) |
| Bastogne to Tryavna | 1,058.63 mi (1,703.71 km) |
| Bastogne to Tutrakan | 1,062.17 mi (1,709.40 km) |
| Bastogne to Varna | 1,147.55 mi (1,846.81 km) |
| Bastogne to Veliki Preslav | 1,102.55 mi (1,774.39 km) |
