| Dartford to Karlovo | 1,298.77 mi (2,090.17 km) |
| Dartford to Karnobat | 1,388.89 mi (2,235.21 km) |
| Dartford to Kavarna | 1,414.43 mi (2,276.31 km) |
| Dartford to Kazanlak | 1,324.17 mi (2,131.05 km) |
| Dartford to Knezha | 1,234.63 mi (1,986.95 km) |
| Dartford to Kostinbrod | 1,226.90 mi (1,974.50 km) |
| Dartford to Kozloduy | 1,209.12 mi (1,945.90 km) |
| Dartford to Kyustendil | 1,228.09 mi (1,976.42 km) |
| Dartford to Levski | 1,283.23 mi (2,065.15 km) |
| Dartford to Lom | 1,187.05 mi (1,910.38 km) |
| Dartford to Lovech | 1,275.21 mi (2,052.25 km) |
| Dartford to Lukovit | 1,249.97 mi (2,011.64 km) |
| Dartford to Lyaskovets | 1,317.86 mi (2,120.89 km) |
| Dartford to Mezdra | 1,232.88 mi (1,984.12 km) |
| Dartford to Momchilgrad | 1,370.25 mi (2,205.21 km) |
