| Valkeakoski to Karlovo | 1,287.13 mi (2,071.44 km) |
| Valkeakoski to Karnobat | 1,293.24 mi (2,081.26 km) |
| Valkeakoski to Kavarna | 1,244.81 mi (2,003.33 km) |
| Valkeakoski to Kazanlak | 1,289.84 mi (2,075.79 km) |
| Valkeakoski to Knezha | 1,227.56 mi (1,975.57 km) |
| Valkeakoski to Kostinbrod | 1,275.22 mi (2,052.27 km) |
| Valkeakoski to Kozloduy | 1,208.05 mi (1,944.17 km) |
| Valkeakoski to Kyustendil | 1,312.83 mi (2,112.79 km) |
| Valkeakoski to Levski | 1,237.60 mi (1,991.72 km) |
| Valkeakoski to Lom | 1,205.50 mi (1,940.07 km) |
| Valkeakoski to Lovech | 1,253.12 mi (2,016.70 km) |
| Valkeakoski to Lukovit | 1,248.30 mi (2,008.94 km) |
| Valkeakoski to Lyaskovets | 1,257.12 mi (2,023.14 km) |
| Valkeakoski to Mezdra | 1,251.82 mi (2,014.61 km) |
| Valkeakoski to Momchilgrad | 1,364.68 mi (2,196.23 km) |
