| Mack to Karlovo | 5,269.53 mi (8,480.49 km) |
| Mack to Karnobat | 5,352.46 mi (8,613.95 km) |
| Mack to Kavarna | 5,365.04 mi (8,634.19 km) |
| Mack to Kazanlak | 5,293.38 mi (8,518.87 km) |
| Mack to Knezha | 5,203.17 mi (8,373.69 km) |
| Mack to Kostinbrod | 5,200.55 mi (8,369.48 km) |
| Mack to Kozloduy | 5,177.15 mi (8,331.82 km) |
| Mack to Kyustendil | 5,203.58 mi (8,374.35 km) |
| Mack to Levski | 5,249.01 mi (8,447.46 km) |
| Mack to Lom | 5,156.38 mi (8,298.40 km) |
| Mack to Lovech | 5,243.78 mi (8,439.05 km) |
| Mack to Lukovit | 5,219.86 mi (8,400.55 km) |
| Mack to Lyaskovets | 5,283.22 mi (8,502.52 km) |
| Mack to Mezdra | 5,204.25 mi (8,375.43 km) |
| Mack to Momchilgrad | 5,343.74 mi (8,599.91 km) |
