| Montalegre to Karlovo | 1,658.28 mi (2,668.74 km) |
| Montalegre to Karnobat | 1,767.43 mi (2,844.40 km) |
| Montalegre to Kavarna | 1,825.42 mi (2,937.73 km) |
| Montalegre to Kazanlak | 1,688.31 mi (2,717.07 km) |
| Montalegre to Knezha | 1,613.76 mi (2,597.10 km) |
| Montalegre to Kostinbrod | 1,576.67 mi (2,537.41 km) |
| Montalegre to Kozloduy | 1,594.14 mi (2,565.53 km) |
| Montalegre to Kyustendil | 1,555.40 mi (2,503.17 km) |
| Montalegre to Levski | 1,667.19 mi (2,683.09 km) |
| Montalegre to Lom | 1,569.25 mi (2,525.46 km) |
| Montalegre to Lovech | 1,648.66 mi (2,653.27 km) |
| Montalegre to Lukovit | 1,620.56 mi (2,608.05 km) |
| Montalegre to Lyaskovets | 1,698.89 mi (2,734.09 km) |
| Montalegre to Mezdra | 1,597.72 mi (2,571.28 km) |
| Montalegre to Momchilgrad | 1,703.05 mi (2,740.79 km) |
