| Hellendoorn to Karlovo | 1,082.89 mi (1,742.74 km) |
| Hellendoorn to Karnobat | 1,163.62 mi (1,872.66 km) |
| Hellendoorn to Kavarna | 1,179.14 mi (1,897.64 km) |
| Hellendoorn to Kazanlak | 1,105.73 mi (1,779.50 km) |
| Hellendoorn to Knezha | 1,015.51 mi (1,634.31 km) |
| Hellendoorn to Kostinbrod | 1,017.70 mi (1,637.83 km) |
| Hellendoorn to Kozloduy | 989.36 mi (1,592.22 km) |
| Hellendoorn to Kyustendil | 1,026.34 mi (1,651.73 km) |
| Hellendoorn to Levski | 1,060.41 mi (1,706.57 km) |
| Hellendoorn to Lom | 969.32 mi (1,559.97 km) |
| Hellendoorn to Lovech | 1,056.01 mi (1,699.48 km) |
| Hellendoorn to Lukovit | 1,032.84 mi (1,662.20 km) |
| Hellendoorn to Lyaskovets | 1,094.52 mi (1,761.46 km) |
| Hellendoorn to Mezdra | 1,018.43 mi (1,639.01 km) |
| Hellendoorn to Momchilgrad | 1,159.59 mi (1,866.19 km) |
