| Marl to Karlovo | 1,034.49 mi (1,664.85 km) |
| Marl to Karnobat | 1,117.23 mi (1,798.00 km) |
| Marl to Kavarna | 1,135.23 mi (1,826.97 km) |
| Marl to Kazanlak | 1,057.85 mi (1,702.44 km) |
| Marl to Knezha | 967.61 mi (1,557.22 km) |
| Marl to Kostinbrod | 968.05 mi (1,557.92 km) |
| Marl to Kozloduy | 941.54 mi (1,515.27 km) |
| Marl to Kyustendil | 975.58 mi (1,570.05 km) |
| Marl to Levski | 1,013.34 mi (1,630.81 km) |
| Marl to Lom | 921.07 mi (1,482.32 km) |
| Marl to Lovech | 1,008.19 mi (1,622.53 km) |
| Marl to Lukovit | 984.59 mi (1,584.55 km) |
| Marl to Lyaskovets | 1,047.61 mi (1,685.97 km) |
| Marl to Mezdra | 969.67 mi (1,560.53 km) |
| Marl to Momchilgrad | 1,110.40 mi (1,787.01 km) |
