| Olsberg to Smolyan | 1,021.10 mi (1,643.29 km) |
| Olsberg to Sofia | 916.82 mi (1,475.49 km) |
| Olsberg to Sopot | 970.43 mi (1,561.76 km) |
| Olsberg to Sozopol | 1,092.25 mi (1,757.81 km) |
| Olsberg to Sredets | 1,076.15 mi (1,731.89 km) |
| Olsberg to Stamboliyski | 987.71 mi (1,589.57 km) |
| Olsberg to Stara Zagora | 1,013.94 mi (1,631.78 km) |
| Olsberg to Svilengrad | 1,066.18 mi (1,715.86 km) |
| Olsberg to Svishtov | 948.16 mi (1,525.92 km) |
| Olsberg to Targovishte | 1,011.84 mi (1,628.41 km) |
| Olsberg to Teteven | 939.99 mi (1,512.76 km) |
| Olsberg to Troyan | 958.10 mi (1,541.91 km) |
| Olsberg to Tryavna | 987.99 mi (1,590.02 km) |
| Olsberg to Tutrakan | 978.63 mi (1,574.95 km) |
| Olsberg to Varna | 1,065.30 mi (1,714.44 km) |
