| Castel Mella to Karlovo | 752.69 mi (1,211.33 km) |
| Castel Mella to Karnobat | 857.11 mi (1,379.38 km) |
| Castel Mella to Kavarna | 905.88 mi (1,457.88 km) |
| Castel Mella to Kazanlak | 781.63 mi (1,257.91 km) |
| Castel Mella to Knezha | 699.46 mi (1,125.67 km) |
| Castel Mella to Kostinbrod | 672.84 mi (1,082.83 km) |
| Castel Mella to Kozloduy | 677.36 mi (1,090.11 km) |
| Castel Mella to Kyustendil | 661.60 mi (1,064.74 km) |
| Castel Mella to Levski | 752.61 mi (1,211.20 km) |
| Castel Mella to Lom | 652.71 mi (1,050.44 km) |
| Castel Mella to Lovech | 737.32 mi (1,186.60 km) |
| Castel Mella to Lukovit | 709.53 mi (1,141.88 km) |
| Castel Mella to Lyaskovets | 786.08 mi (1,265.07 km) |
| Castel Mella to Mezdra | 688.24 mi (1,107.61 km) |
| Castel Mella to Momchilgrad | 811.00 mi (1,305.18 km) |
