| Leopoldsburg to Sofia | 1,028.12 mi (1,654.60 km) |
| Leopoldsburg to Sopot | 1,085.61 mi (1,747.12 km) |
| Leopoldsburg to Sozopol | 1,213.44 mi (1,952.84 km) |
| Leopoldsburg to Sredets | 1,196.06 mi (1,924.88 km) |
| Leopoldsburg to Stamboliyski | 1,100.17 mi (1,770.54 km) |
| Leopoldsburg to Stara Zagora | 1,130.58 mi (1,819.49 km) |
| Leopoldsburg to Svilengrad | 1,181.68 mi (1,901.74 km) |
| Leopoldsburg to Svishtov | 1,068.71 mi (1,719.93 km) |
| Leopoldsburg to Targovishte | 1,133.65 mi (1,824.44 km) |
| Leopoldsburg to Teteven | 1,054.97 mi (1,697.81 km) |
| Leopoldsburg to Troyan | 1,074.15 mi (1,728.67 km) |
| Leopoldsburg to Tryavna | 1,105.95 mi (1,779.85 km) |
| Leopoldsburg to Tutrakan | 1,103.37 mi (1,775.70 km) |
| Leopoldsburg to Varna | 1,189.55 mi (1,914.40 km) |
| Leopoldsburg to Veliki Preslav | 1,146.55 mi (1,845.20 km) |
