| North Port to Karlovo | 5,755.84 mi (9,263.13 km) |
| North Port to Karnobat | 5,850.36 mi (9,415.24 km) |
| North Port to Kavarna | 5,877.79 mi (9,459.39 km) |
| North Port to Kazanlak | 5,782.59 mi (9,306.18 km) |
| North Port to Knezha | 5,694.22 mi (9,163.96 km) |
| North Port to Kostinbrod | 5,680.20 mi (9,141.39 km) |
| North Port to Kozloduy | 5,669.24 mi (9,123.76 km) |
| North Port to Kyustendil | 5,674.96 mi (9,132.96 km) |
| North Port to Levski | 5,744.20 mi (9,244.40 km) |
| North Port to Lom | 5,646.36 mi (9,086.95 km) |
| North Port to Lovech | 5,734.50 mi (9,228.79 km) |
| North Port to Lukovit | 5,708.34 mi (9,186.69 km) |
| North Port to Lyaskovets | 5,778.87 mi (9,300.19 km) |
| North Port to Mezdra | 5,689.79 mi (9,156.84 km) |
| North Port to Momchilgrad | 5,822.32 mi (9,370.12 km) |
