| Osterode to Smolyan | 976.80 mi (1,572.01 km) |
| Osterode to Sofia | 872.62 mi (1,404.35 km) |
| Osterode to Sopot | 922.59 mi (1,484.76 km) |
| Osterode to Sozopol | 1,038.57 mi (1,671.42 km) |
| Osterode to Sredets | 1,023.67 mi (1,647.44 km) |
| Osterode to Stamboliyski | 942.12 mi (1,516.20 km) |
| Osterode to Stara Zagora | 964.62 mi (1,552.40 km) |
| Osterode to Svilengrad | 1,017.62 mi (1,637.71 km) |
| Osterode to Svishtov | 895.64 mi (1,441.39 km) |
| Osterode to Targovishte | 957.89 mi (1,541.57 km) |
| Osterode to Teteven | 892.48 mi (1,436.31 km) |
| Osterode to Troyan | 909.56 mi (1,463.80 km) |
| Osterode to Tryavna | 937.63 mi (1,508.97 km) |
| Osterode to Tutrakan | 922.04 mi (1,483.88 km) |
| Osterode to Varna | 1,008.88 mi (1,623.63 km) |
