| Soisy-sous-Montmorency to Karlovo | 1,163.66 mi (1,872.73 km) |
| Soisy-sous-Montmorency to Karnobat | 1,260.40 mi (2,028.41 km) |
| Soisy-sous-Montmorency to Kavarna | 1,295.20 mi (2,084.43 km) |
| Soisy-sous-Montmorency to Kazanlak | 1,190.74 mi (1,916.31 km) |
| Soisy-sous-Montmorency to Knezha | 1,103.13 mi (1,775.32 km) |
| Soisy-sous-Montmorency to Kostinbrod | 1,087.81 mi (1,750.67 km) |
| Soisy-sous-Montmorency to Kozloduy | 1,078.59 mi (1,735.83 km) |
| Soisy-sous-Montmorency to Kyustendil | 1,083.75 mi (1,744.13 km) |
| Soisy-sous-Montmorency to Levski | 1,154.07 mi (1,857.29 km) |
| Soisy-sous-Montmorency to Lom | 1,055.24 mi (1,698.25 km) |
| Soisy-sous-Montmorency to Lovech | 1,143.13 mi (1,839.69 km) |
| Soisy-sous-Montmorency to Lukovit | 1,116.60 mi (1,797.00 km) |
| Soisy-sous-Montmorency to Lyaskovets | 1,188.64 mi (1,912.94 km) |
| Soisy-sous-Montmorency to Mezdra | 1,097.66 mi (1,766.51 km) |
| Soisy-sous-Montmorency to Momchilgrad | 1,230.17 mi (1,979.77 km) |
