| Slovenj Gradec to Karlovo | 547.68 mi (881.41 km) |
| Slovenj Gradec to Karnobat | 643.36 mi (1,035.39 km) |
| Slovenj Gradec to Kavarna | 680.86 mi (1,095.74 km) |
| Slovenj Gradec to Kazanlak | 574.23 mi (924.13 km) |
| Slovenj Gradec to Knezha | 486.15 mi (782.39 km) |
| Slovenj Gradec to Kostinbrod | 473.99 mi (762.81 km) |
| Slovenj Gradec to Kozloduy | 461.55 mi (742.79 km) |
| Slovenj Gradec to Kyustendil | 475.22 mi (764.80 km) |
| Slovenj Gradec to Levski | 537.03 mi (864.27 km) |
| Slovenj Gradec to Lom | 438.26 mi (705.32 km) |
| Slovenj Gradec to Lovech | 526.26 mi (846.94 km) |
| Slovenj Gradec to Lukovit | 499.98 mi (804.64 km) |
| Slovenj Gradec to Lyaskovets | 571.60 mi (919.90 km) |
| Slovenj Gradec to Mezdra | 481.62 mi (775.09 km) |
| Slovenj Gradec to Momchilgrad | 617.27 mi (993.40 km) |
