| Osterburg to Smolyan | 980.60 mi (1,578.12 km) |
| Osterburg to Sofia | 877.52 mi (1,412.23 km) |
| Osterburg to Sopot | 921.52 mi (1,483.05 km) |
| Osterburg to Sozopol | 1,027.24 mi (1,653.18 km) |
| Osterburg to Sredets | 1,014.42 mi (1,632.55 km) |
| Osterburg to Stamboliyski | 944.29 mi (1,519.69 km) |
| Osterburg to Stara Zagora | 960.87 mi (1,546.38 km) |
| Osterburg to Svilengrad | 1,014.64 mi (1,632.91 km) |
| Osterburg to Svishtov | 887.39 mi (1,428.11 km) |
| Osterburg to Targovishte | 946.71 mi (1,523.58 km) |
| Osterburg to Teteven | 892.21 mi (1,435.88 km) |
| Osterburg to Troyan | 907.54 mi (1,460.54 km) |
| Osterburg to Tryavna | 932.48 mi (1,500.68 km) |
| Osterburg to Tutrakan | 906.68 mi (1,459.17 km) |
| Osterburg to Varna | 993.11 mi (1,598.25 km) |
