| Waltham Abbey to Karlovo | 1,313.06 mi (2,113.16 km) |
| Waltham Abbey to Karnobat | 1,402.53 mi (2,257.15 km) |
| Waltham Abbey to Kavarna | 1,427.21 mi (2,296.87 km) |
| Waltham Abbey to Kazanlak | 1,338.29 mi (2,153.77 km) |
| Waltham Abbey to Knezha | 1,248.64 mi (2,009.49 km) |
| Waltham Abbey to Kostinbrod | 1,241.59 mi (1,998.14 km) |
| Waltham Abbey to Kozloduy | 1,223.06 mi (1,968.33 km) |
| Waltham Abbey to Kyustendil | 1,243.24 mi (2,000.81 km) |
| Waltham Abbey to Levski | 1,296.99 mi (2,087.30 km) |
| Waltham Abbey to Lom | 1,201.13 mi (1,933.02 km) |
| Waltham Abbey to Lovech | 1,289.24 mi (2,074.83 km) |
| Waltham Abbey to Lukovit | 1,264.14 mi (2,034.43 km) |
| Waltham Abbey to Lyaskovets | 1,331.61 mi (2,143.02 km) |
| Waltham Abbey to Mezdra | 1,247.22 mi (2,007.20 km) |
| Waltham Abbey to Momchilgrad | 1,384.94 mi (2,228.85 km) |
