| Loures to Karlovo | 1,785.74 mi (2,873.87 km) |
| Loures to Karnobat | 1,896.15 mi (3,051.56 km) |
| Loures to Kavarna | 1,960.28 mi (3,154.77 km) |
| Loures to Kazanlak | 1,815.93 mi (2,922.46 km) |
| Loures to Knezha | 1,747.17 mi (2,811.80 km) |
| Loures to Kostinbrod | 1,704.58 mi (2,743.26 km) |
| Loures to Kozloduy | 1,729.52 mi (2,783.39 km) |
| Loures to Kyustendil | 1,678.86 mi (2,701.86 km) |
| Loures to Levski | 1,800.05 mi (2,896.91 km) |
| Loures to Lom | 1,704.81 mi (2,743.62 km) |
| Loures to Lovech | 1,779.66 mi (2,864.09 km) |
| Loures to Lukovit | 1,751.80 mi (2,819.24 km) |
| Loures to Lyaskovets | 1,830.13 mi (2,945.31 km) |
| Loures to Mezdra | 1,728.37 mi (2,781.55 km) |
| Loures to Momchilgrad | 1,822.80 mi (2,933.51 km) |
