| Slagelse to Karlovo | 1,067.88 mi (1,718.59 km) |
| Slagelse to Karnobat | 1,126.12 mi (1,812.32 km) |
| Slagelse to Kavarna | 1,119.56 mi (1,801.75 km) |
| Slagelse to Kazanlak | 1,084.63 mi (1,745.54 km) |
| Slagelse to Knezha | 998.37 mi (1,606.72 km) |
| Slagelse to Kostinbrod | 1,018.82 mi (1,639.63 km) |
| Slagelse to Kozloduy | 972.66 mi (1,565.35 km) |
| Slagelse to Kyustendil | 1,039.79 mi (1,673.37 km) |
| Slagelse to Levski | 1,033.30 mi (1,662.93 km) |
| Slagelse to Lom | 957.90 mi (1,541.60 km) |
| Slagelse to Lovech | 1,036.24 mi (1,667.66 km) |
| Slagelse to Lukovit | 1,018.43 mi (1,639.01 km) |
| Slagelse to Lyaskovets | 1,064.44 mi (1,713.05 km) |
| Slagelse to Mezdra | 1,009.97 mi (1,625.39 km) |
| Slagelse to Momchilgrad | 1,150.08 mi (1,850.88 km) |
