| Royal Tunbridge Wells to Karlovo | 1,290.49 mi (2,076.84 km) |
| Royal Tunbridge Wells to Karnobat | 1,381.57 mi (2,223.43 km) |
| Royal Tunbridge Wells to Kavarna | 1,408.35 mi (2,266.53 km) |
| Royal Tunbridge Wells to Kazanlak | 1,316.14 mi (2,118.12 km) |
| Royal Tunbridge Wells to Knezha | 1,226.78 mi (1,974.32 km) |
| Royal Tunbridge Wells to Kostinbrod | 1,218.02 mi (1,960.21 km) |
| Royal Tunbridge Wells to Kozloduy | 1,201.39 mi (1,933.44 km) |
| Royal Tunbridge Wells to Kyustendil | 1,218.47 mi (1,960.94 km) |
| Royal Tunbridge Wells to Levski | 1,275.73 mi (2,053.10 km) |
| Royal Tunbridge Wells to Lom | 1,179.12 mi (1,897.62 km) |
| Royal Tunbridge Wells to Lovech | 1,267.32 mi (2,039.56 km) |
| Royal Tunbridge Wells to Lukovit | 1,241.89 mi (1,998.63 km) |
| Royal Tunbridge Wells to Lyaskovets | 1,310.39 mi (2,108.87 km) |
| Royal Tunbridge Wells to Mezdra | 1,224.53 mi (1,970.69 km) |
| Royal Tunbridge Wells to Momchilgrad | 1,361.33 mi (2,190.85 km) |
