| Saint-Brieuc to Karlovo | 1,385.09 mi (2,229.08 km) |
| Saint-Brieuc to Karnobat | 1,484.52 mi (2,389.10 km) |
| Saint-Brieuc to Kavarna | 1,522.68 mi (2,450.52 km) |
| Saint-Brieuc to Kazanlak | 1,412.88 mi (2,273.81 km) |
| Saint-Brieuc to Knezha | 1,326.60 mi (2,134.96 km) |
| Saint-Brieuc to Kostinbrod | 1,307.52 mi (2,104.25 km) |
| Saint-Brieuc to Kozloduy | 1,302.62 mi (2,096.36 km) |
| Saint-Brieuc to Kyustendil | 1,300.29 mi (2,092.61 km) |
| Saint-Brieuc to Levski | 1,378.33 mi (2,218.21 km) |
| Saint-Brieuc to Lom | 1,278.82 mi (2,058.06 km) |
| Saint-Brieuc to Lovech | 1,366.14 mi (2,198.59 km) |
| Saint-Brieuc to Lukovit | 1,339.13 mi (2,155.13 km) |
| Saint-Brieuc to Lyaskovets | 1,412.74 mi (2,273.58 km) |
| Saint-Brieuc to Mezdra | 1,319.37 mi (2,123.33 km) |
| Saint-Brieuc to Momchilgrad | 1,448.51 mi (2,331.15 km) |
