| Ruislip to Karlovo | 1,328.38 mi (2,137.82 km) |
| Ruislip to Karnobat | 1,418.46 mi (2,282.79 km) |
| Ruislip to Kavarna | 1,443.84 mi (2,323.64 km) |
| Ruislip to Kazanlak | 1,353.78 mi (2,178.69 km) |
| Ruislip to Knezha | 1,264.23 mi (2,034.58 km) |
| Ruislip to Kostinbrod | 1,256.50 mi (2,022.15 km) |
| Ruislip to Kozloduy | 1,238.72 mi (1,993.52 km) |
| Ruislip to Kyustendil | 1,257.65 mi (2,023.99 km) |
| Ruislip to Levski | 1,312.80 mi (2,112.75 km) |
| Ruislip to Lom | 1,216.66 mi (1,958.02 km) |
| Ruislip to Lovech | 1,304.81 mi (2,099.89 km) |
| Ruislip to Lukovit | 1,279.58 mi (2,059.29 km) |
| Ruislip to Lyaskovets | 1,347.44 mi (2,168.49 km) |
| Ruislip to Mezdra | 1,262.49 mi (2,031.78 km) |
| Ruislip to Momchilgrad | 1,399.86 mi (2,252.85 km) |
