| Hayden to Karlovo | 5,765.85 mi (9,279.23 km) |
| Hayden to Karnobat | 5,811.81 mi (9,353.21 km) |
| Hayden to Kavarna | 5,787.77 mi (9,314.51 km) |
| Hayden to Kazanlak | 5,780.11 mi (9,302.19 km) |
| Hayden to Knezha | 5,696.77 mi (9,168.06 km) |
| Hayden to Kostinbrod | 5,720.51 mi (9,206.27 km) |
| Hayden to Kozloduy | 5,671.57 mi (9,127.51 km) |
| Hayden to Kyustendil | 5,741.77 mi (9,240.48 km) |
| Hayden to Levski | 5,727.38 mi (9,217.33 km) |
| Hayden to Lom | 5,658.22 mi (9,106.02 km) |
| Hayden to Lovech | 5,733.15 mi (9,226.61 km) |
| Hayden to Lukovit | 5,717.30 mi (9,201.10 km) |
| Hayden to Lyaskovets | 5,756.33 mi (9,263.91 km) |
| Hayden to Mezdra | 5,710.33 mi (9,189.89 km) |
| Hayden to Momchilgrad | 5,848.60 mi (9,412.42 km) |
