| Osterode to Karlovo | 924.87 mi (1,488.43 km) |
| Osterode to Karnobat | 1,002.04 mi (1,612.62 km) |
| Osterode to Kavarna | 1,014.75 mi (1,633.09 km) |
| Osterode to Kazanlak | 946.67 mi (1,523.51 km) |
| Osterode to Knezha | 856.66 mi (1,378.66 km) |
| Osterode to Kostinbrod | 862.75 mi (1,388.46 km) |
| Osterode to Kozloduy | 830.42 mi (1,336.43 km) |
| Osterode to Kyustendil | 874.51 mi (1,407.39 km) |
| Osterode to Levski | 900.02 mi (1,448.44 km) |
| Osterode to Lom | 811.27 mi (1,305.61 km) |
| Osterode to Lovech | 896.91 mi (1,443.43 km) |
| Osterode to Lukovit | 874.63 mi (1,407.59 km) |
| Osterode to Lyaskovets | 933.81 mi (1,502.82 km) |
| Osterode to Mezdra | 861.35 mi (1,386.21 km) |
| Osterode to Momchilgrad | 1,003.16 mi (1,614.43 km) |
