| Petrel to Karlovo | 1,368.83 mi (2,202.92 km) |
| Petrel to Karnobat | 1,479.29 mi (2,380.68 km) |
| Petrel to Kavarna | 1,549.61 mi (2,493.85 km) |
| Petrel to Kazanlak | 1,398.82 mi (2,251.18 km) |
| Petrel to Knezha | 1,337.57 mi (2,152.61 km) |
| Petrel to Kostinbrod | 1,289.26 mi (2,074.87 km) |
| Petrel to Kozloduy | 1,322.61 mi (2,128.53 km) |
| Petrel to Kyustendil | 1,259.16 mi (2,026.42 km) |
| Petrel to Levski | 1,389.04 mi (2,235.44 km) |
| Petrel to Lom | 1,298.53 mi (2,089.77 km) |
| Petrel to Lovech | 1,366.77 mi (2,199.60 km) |
| Petrel to Lukovit | 1,339.56 mi (2,155.81 km) |
| Petrel to Lyaskovets | 1,416.84 mi (2,280.19 km) |
| Petrel to Mezdra | 1,315.81 mi (2,117.60 km) |
| Petrel to Momchilgrad | 1,397.77 mi (2,249.49 km) |
