| Bouguenais to Karlovo | 1,323.70 mi (2,130.30 km) |
| Bouguenais to Karnobat | 1,426.03 mi (2,294.97 km) |
| Bouguenais to Kavarna | 1,469.08 mi (2,364.25 km) |
| Bouguenais to Kazanlak | 1,352.21 mi (2,176.17 km) |
| Bouguenais to Knezha | 1,267.89 mi (2,040.48 km) |
| Bouguenais to Kostinbrod | 1,244.62 mi (2,003.02 km) |
| Bouguenais to Kozloduy | 1,244.72 mi (2,003.19 km) |
| Bouguenais to Kyustendil | 1,234.34 mi (1,986.47 km) |
| Bouguenais to Levski | 1,320.43 mi (2,125.03 km) |
| Bouguenais to Lom | 1,220.46 mi (1,964.14 km) |
| Bouguenais to Lovech | 1,306.69 mi (2,102.92 km) |
| Bouguenais to Lukovit | 1,279.22 mi (2,058.71 km) |
| Bouguenais to Lyaskovets | 1,354.47 mi (2,179.82 km) |
| Bouguenais to Mezdra | 1,258.60 mi (2,025.52 km) |
| Bouguenais to Momchilgrad | 1,383.64 mi (2,226.75 km) |
