| Osterwieck to Smolyan | 972.67 mi (1,565.36 km) |
| Osterwieck to Sofia | 868.67 mi (1,397.99 km) |
| Osterwieck to Sopot | 917.13 mi (1,475.98 km) |
| Osterwieck to Sozopol | 1,030.59 mi (1,658.57 km) |
| Osterwieck to Sredets | 1,016.20 mi (1,635.41 km) |
| Osterwieck to Stamboliyski | 937.53 mi (1,508.81 km) |
| Osterwieck to Stara Zagora | 958.50 mi (1,542.56 km) |
| Osterwieck to Svilengrad | 1,011.76 mi (1,628.27 km) |
| Osterwieck to Svishtov | 888.29 mi (1,429.57 km) |
| Osterwieck to Targovishte | 949.86 mi (1,528.66 km) |
| Osterwieck to Teteven | 887.20 mi (1,427.80 km) |
| Osterwieck to Troyan | 903.84 mi (1,454.59 km) |
| Osterwieck to Tryavna | 931.13 mi (1,498.50 km) |
| Osterwieck to Tutrakan | 912.92 mi (1,469.21 km) |
| Osterwieck to Varna | 999.74 mi (1,608.93 km) |
