| Korschenbroich to Smolyan | 1,086.36 mi (1,748.33 km) |
| Korschenbroich to Sofia | 982.40 mi (1,581.02 km) |
| Korschenbroich to Sopot | 1,038.61 mi (1,671.48 km) |
| Korschenbroich to Sozopol | 1,164.48 mi (1,874.05 km) |
| Korschenbroich to Sredets | 1,147.52 mi (1,846.76 km) |
| Korschenbroich to Stamboliyski | 1,054.11 mi (1,696.42 km) |
| Korschenbroich to Stara Zagora | 1,083.11 mi (1,743.10 km) |
| Korschenbroich to Svilengrad | 1,134.64 mi (1,826.02 km) |
| Korschenbroich to Svishtov | 1,019.90 mi (1,641.36 km) |
| Korschenbroich to Targovishte | 1,084.45 mi (1,745.25 km) |
| Korschenbroich to Teteven | 1,008.01 mi (1,622.24 km) |
| Korschenbroich to Troyan | 1,026.84 mi (1,652.55 km) |
| Korschenbroich to Tryavna | 1,058.02 mi (1,702.72 km) |
| Korschenbroich to Tutrakan | 1,053.17 mi (1,694.92 km) |
| Korschenbroich to Varna | 1,139.56 mi (1,833.94 km) |
