| Korschenbroich to Karlovo | 1,041.10 mi (1,675.48 km) |
| Korschenbroich to Karnobat | 1,126.63 mi (1,813.14 km) |
| Korschenbroich to Kavarna | 1,147.75 mi (1,847.13 km) |
| Korschenbroich to Kazanlak | 1,065.21 mi (1,714.28 km) |
| Korschenbroich to Knezha | 975.08 mi (1,569.24 km) |
| Korschenbroich to Kostinbrod | 972.72 mi (1,565.44 km) |
| Korschenbroich to Kozloduy | 949.17 mi (1,527.55 km) |
| Korschenbroich to Kyustendil | 978.28 mi (1,574.39 km) |
| Korschenbroich to Levski | 1,021.94 mi (1,644.65 km) |
| Korschenbroich to Lom | 928.08 mi (1,493.61 km) |
| Korschenbroich to Lovech | 1,015.73 mi (1,634.65 km) |
| Korschenbroich to Lukovit | 991.51 mi (1,595.67 km) |
| Korschenbroich to Lyaskovets | 1,056.39 mi (1,700.10 km) |
| Korschenbroich to Mezdra | 975.80 mi (1,570.39 km) |
| Korschenbroich to Momchilgrad | 1,115.64 mi (1,795.45 km) |
