| Orangeburg to Smolyan | 5,425.91 mi (8,732.16 km) |
| Orangeburg to Sofia | 5,324.39 mi (8,568.78 km) |
| Orangeburg to Sopot | 5,385.88 mi (8,667.74 km) |
| Orangeburg to Sozopol | 5,517.28 mi (8,879.21 km) |
| Orangeburg to Sredets | 5,499.49 mi (8,850.57 km) |
| Orangeburg to Stamboliyski | 5,397.16 mi (8,685.89 km) |
| Orangeburg to Stara Zagora | 5,431.98 mi (8,741.93 km) |
| Orangeburg to Svilengrad | 5,481.71 mi (8,821.96 km) |
| Orangeburg to Svishtov | 5,372.50 mi (8,646.21 km) |
| Orangeburg to Targovishte | 5,437.63 mi (8,751.01 km) |
| Orangeburg to Teteven | 5,355.25 mi (8,618.44 km) |
| Orangeburg to Troyan | 5,375.31 mi (8,650.72 km) |
| Orangeburg to Tryavna | 5,408.46 mi (8,704.08 km) |
| Orangeburg to Tutrakan | 5,406.71 mi (8,701.26 km) |
| Orangeburg to Varna | 5,493.16 mi (8,840.39 km) |
