| Bergisch Gladbach to Smolyan | 1,056.72 mi (1,700.62 km) |
| Bergisch Gladbach to Sofia | 952.73 mi (1,533.27 km) |
| Bergisch Gladbach to Sopot | 1,008.88 mi (1,623.64 km) |
| Bergisch Gladbach to Sozopol | 1,134.79 mi (1,826.27 km) |
| Bergisch Gladbach to Sredets | 1,117.81 mi (1,798.94 km) |
| Bergisch Gladbach to Stamboliyski | 1,024.42 mi (1,648.64 km) |
| Bergisch Gladbach to Stara Zagora | 1,053.38 mi (1,695.25 km) |
| Bergisch Gladbach to Svilengrad | 1,104.91 mi (1,778.18 km) |
| Bergisch Gladbach to Svishtov | 990.19 mi (1,593.56 km) |
| Bergisch Gladbach to Targovishte | 1,054.78 mi (1,697.50 km) |
| Bergisch Gladbach to Teteven | 978.29 mi (1,574.40 km) |
| Bergisch Gladbach to Troyan | 997.11 mi (1,604.69 km) |
| Bergisch Gladbach to Tryavna | 1,028.29 mi (1,654.87 km) |
| Bergisch Gladbach to Tutrakan | 1,023.61 mi (1,647.35 km) |
| Bergisch Gladbach to Varna | 1,109.97 mi (1,786.33 km) |
