| Notodden to Karlovo | 1,347.22 mi (2,168.15 km) |
| Notodden to Karnobat | 1,395.21 mi (2,245.37 km) |
| Notodden to Kavarna | 1,378.15 mi (2,217.93 km) |
| Notodden to Kazanlak | 1,361.37 mi (2,190.91 km) |
| Notodden to Knezha | 1,278.29 mi (2,057.21 km) |
| Notodden to Kostinbrod | 1,304.47 mi (2,099.34 km) |
| Notodden to Kozloduy | 1,253.27 mi (2,016.95 km) |
| Notodden to Kyustendil | 1,328.73 mi (2,138.39 km) |
| Notodden to Levski | 1,308.71 mi (2,106.17 km) |
| Notodden to Lom | 1,240.63 mi (1,996.61 km) |
| Notodden to Lovech | 1,314.42 mi (2,115.36 km) |
| Notodden to Lukovit | 1,298.92 mi (2,090.42 km) |
| Notodden to Lyaskovets | 1,337.99 mi (2,153.29 km) |
| Notodden to Mezdra | 1,292.68 mi (2,080.37 km) |
| Notodden to Momchilgrad | 1,430.02 mi (2,301.40 km) |
