| Ponte de Sor to Karlovo | 1,718.02 mi (2,764.88 km) |
| Ponte de Sor to Karnobat | 1,828.40 mi (2,942.53 km) |
| Ponte de Sor to Kavarna | 1,892.34 mi (3,045.43 km) |
| Ponte de Sor to Kazanlak | 1,748.21 mi (2,813.47 km) |
| Ponte de Sor to Knezha | 1,679.24 mi (2,702.48 km) |
| Ponte de Sor to Kostinbrod | 1,636.82 mi (2,634.21 km) |
| Ponte de Sor to Kozloduy | 1,661.54 mi (2,673.99 km) |
| Ponte de Sor to Kyustendil | 1,611.28 mi (2,593.10 km) |
| Ponte de Sor to Levski | 1,732.15 mi (2,787.62 km) |
| Ponte de Sor to Lom | 1,636.82 mi (2,634.20 km) |
| Ponte de Sor to Lovech | 1,711.81 mi (2,754.90 km) |
| Ponte de Sor to Lukovit | 1,683.93 mi (2,710.03 km) |
| Ponte de Sor to Lyaskovets | 1,762.28 mi (2,836.12 km) |
| Ponte de Sor to Mezdra | 1,660.53 mi (2,672.36 km) |
| Ponte de Sor to Momchilgrad | 1,755.45 mi (2,825.12 km) |
