| Soumagne to Sofia | 993.23 mi (1,598.44 km) |
| Soumagne to Sopot | 1,051.63 mi (1,692.43 km) |
| Soumagne to Sozopol | 1,181.13 mi (1,900.85 km) |
| Soumagne to Sredets | 1,163.36 mi (1,872.24 km) |
| Soumagne to Stamboliyski | 1,065.47 mi (1,714.71 km) |
| Soumagne to Stara Zagora | 1,096.95 mi (1,765.37 km) |
| Soumagne to Svilengrad | 1,147.69 mi (1,847.03 km) |
| Soumagne to Svishtov | 1,036.34 mi (1,667.83 km) |
| Soumagne to Targovishte | 1,101.64 mi (1,772.91 km) |
| Soumagne to Teteven | 1,020.97 mi (1,643.09 km) |
| Soumagne to Troyan | 1,040.41 mi (1,674.38 km) |
| Soumagne to Tryavna | 1,072.73 mi (1,726.39 km) |
| Soumagne to Tutrakan | 1,072.46 mi (1,725.95 km) |
| Soumagne to Varna | 1,158.37 mi (1,864.21 km) |
| Soumagne to Veliki Preslav | 1,114.59 mi (1,793.75 km) |
