| Slidell to Karlovo | 5,911.84 mi (9,514.18 km) |
| Slidell to Karnobat | 5,998.55 mi (9,653.73 km) |
| Slidell to Kavarna | 6,015.43 mi (9,680.90 km) |
| Slidell to Kazanlak | 5,936.66 mi (9,554.13 km) |
| Slidell to Knezha | 5,846.71 mi (9,409.37 km) |
| Slidell to Kostinbrod | 5,840.54 mi (9,399.43 km) |
| Slidell to Kozloduy | 5,820.92 mi (9,367.86 km) |
| Slidell to Kyustendil | 5,840.92 mi (9,400.06 km) |
| Slidell to Levski | 5,893.95 mi (9,485.40 km) |
| Slidell to Lom | 5,799.44 mi (9,333.29 km) |
| Slidell to Lovech | 5,887.36 mi (9,474.79 km) |
| Slidell to Lukovit | 5,862.67 mi (9,435.05 km) |
| Slidell to Lyaskovets | 5,928.41 mi (9,540.86 km) |
| Slidell to Mezdra | 5,846.10 mi (9,408.38 km) |
| Slidell to Momchilgrad | 5,983.89 mi (9,630.14 km) |
