| Schmallenberg to Karlovo | 972.98 mi (1,565.85 km) |
| Schmallenberg to Karnobat | 1,056.25 mi (1,699.87 km) |
| Schmallenberg to Kavarna | 1,075.21 mi (1,730.39 km) |
| Schmallenberg to Kazanlak | 996.45 mi (1,603.63 km) |
| Schmallenberg to Knezha | 906.22 mi (1,458.43 km) |
| Schmallenberg to Kostinbrod | 906.35 mi (1,458.62 km) |
| Schmallenberg to Kozloduy | 880.18 mi (1,416.51 km) |
| Schmallenberg to Kyustendil | 913.84 mi (1,470.68 km) |
| Schmallenberg to Levski | 952.17 mi (1,532.37 km) |
| Schmallenberg to Lom | 859.60 mi (1,383.40 km) |
| Schmallenberg to Lovech | 946.82 mi (1,523.76 km) |
| Schmallenberg to Lukovit | 923.12 mi (1,485.62 km) |
| Schmallenberg to Lyaskovets | 986.48 mi (1,587.59 km) |
| Schmallenberg to Mezdra | 908.09 mi (1,461.43 km) |
| Schmallenberg to Momchilgrad | 1,048.74 mi (1,687.79 km) |
