| Nort-sur-Erdre to Karlovo | 1,319.34 mi (2,123.27 km) |
| Nort-sur-Erdre to Karnobat | 1,421.08 mi (2,287.01 km) |
| Nort-sur-Erdre to Kavarna | 1,463.14 mi (2,354.70 km) |
| Nort-sur-Erdre to Kazanlak | 1,347.70 mi (2,168.91 km) |
| Nort-sur-Erdre to Knezha | 1,262.93 mi (2,032.50 km) |
| Nort-sur-Erdre to Kostinbrod | 1,240.56 mi (1,996.48 km) |
| Nort-sur-Erdre to Kozloduy | 1,239.58 mi (1,994.91 km) |
| Nort-sur-Erdre to Kyustendil | 1,230.96 mi (1,981.04 km) |
| Nort-sur-Erdre to Levski | 1,315.32 mi (2,116.81 km) |
| Nort-sur-Erdre to Lom | 1,215.41 mi (1,956.01 km) |
| Nort-sur-Erdre to Lovech | 1,301.90 mi (2,095.21 km) |
| Nort-sur-Erdre to Lukovit | 1,274.52 mi (2,051.14 km) |
| Nort-sur-Erdre to Lyaskovets | 1,349.45 mi (2,171.73 km) |
| Nort-sur-Erdre to Mezdra | 1,254.08 mi (2,018.24 km) |
| Nort-sur-Erdre to Momchilgrad | 1,380.07 mi (2,221.01 km) |
