| Northfleet to Karlovo | 1,293.86 mi (2,082.27 km) |
| Northfleet to Karnobat | 1,383.91 mi (2,227.20 km) |
| Northfleet to Kavarna | 1,409.38 mi (2,268.18 km) |
| Northfleet to Kazanlak | 1,319.24 mi (2,123.12 km) |
| Northfleet to Knezha | 1,229.69 mi (1,978.99 km) |
| Northfleet to Kostinbrod | 1,222.05 mi (1,966.69 km) |
| Northfleet to Kozloduy | 1,204.18 mi (1,937.93 km) |
| Northfleet to Kyustendil | 1,223.31 mi (1,968.72 km) |
| Northfleet to Levski | 1,278.26 mi (2,057.16 km) |
| Northfleet to Lom | 1,182.12 mi (1,902.44 km) |
| Northfleet to Lovech | 1,270.27 mi (2,044.31 km) |
| Northfleet to Lukovit | 1,245.05 mi (2,003.72 km) |
| Northfleet to Lyaskovets | 1,312.89 mi (2,112.90 km) |
| Northfleet to Mezdra | 1,227.98 mi (1,976.24 km) |
| Northfleet to Momchilgrad | 1,365.40 mi (2,197.40 km) |
