| Rhyl to Karlovo | 1,487.68 mi (2,394.19 km) |
| Rhyl to Karnobat | 1,574.06 mi (2,533.20 km) |
| Rhyl to Kavarna | 1,594.44 mi (2,566.00 km) |
| Rhyl to Kazanlak | 1,512.15 mi (2,433.56 km) |
| Rhyl to Knezha | 1,422.11 mi (2,288.66 km) |
| Rhyl to Kostinbrod | 1,418.00 mi (2,282.04 km) |
| Rhyl to Kozloduy | 1,396.27 mi (2,247.08 km) |
| Rhyl to Kyustendil | 1,421.49 mi (2,287.66 km) |
| Rhyl to Levski | 1,469.27 mi (2,364.57 km) |
| Rhyl to Lom | 1,374.95 mi (2,212.77 km) |
| Rhyl to Lovech | 1,462.76 mi (2,354.09 km) |
| Rhyl to Lukovit | 1,438.28 mi (2,314.69 km) |
| Rhyl to Lyaskovets | 1,503.76 mi (2,420.06 km) |
| Rhyl to Mezdra | 1,422.16 mi (2,288.74 km) |
| Rhyl to Momchilgrad | 1,561.22 mi (2,512.54 km) |
