| Flers to Karlovo | 1,288.09 mi (2,072.98 km) |
| Flers to Karnobat | 1,386.49 mi (2,231.33 km) |
| Flers to Kavarna | 1,423.32 mi (2,290.61 km) |
| Flers to Kazanlak | 1,315.61 mi (2,117.28 km) |
| Flers to Knezha | 1,228.78 mi (1,977.53 km) |
| Flers to Kostinbrod | 1,211.17 mi (1,949.19 km) |
| Flers to Kozloduy | 1,204.57 mi (1,938.56 km) |
| Flers to Kyustendil | 1,205.18 mi (1,939.55 km) |
| Flers to Levski | 1,280.21 mi (2,060.30 km) |
| Flers to Lom | 1,180.94 mi (1,900.54 km) |
| Flers to Lovech | 1,268.51 mi (2,041.47 km) |
| Flers to Lukovit | 1,241.69 mi (1,998.30 km) |
| Flers to Lyaskovets | 1,314.70 mi (2,115.80 km) |
| Flers to Mezdra | 1,222.24 mi (1,967.00 km) |
| Flers to Momchilgrad | 1,352.77 mi (2,177.08 km) |
