| Castelbuono to Karlovo | 650.70 mi (1,047.21 km) |
| Castelbuono to Karnobat | 751.63 mi (1,209.63 km) |
| Castelbuono to Kavarna | 835.44 mi (1,344.52 km) |
| Castelbuono to Kazanlak | 677.08 mi (1,089.66 km) |
| Castelbuono to Knezha | 648.29 mi (1,043.32 km) |
| Castelbuono to Kostinbrod | 586.07 mi (943.19 km) |
| Castelbuono to Kozloduy | 644.85 mi (1,037.78 km) |
| Castelbuono to Kyustendil | 543.69 mi (874.99 km) |
| Castelbuono to Levski | 688.63 mi (1,108.24 km) |
| Castelbuono to Lom | 626.70 mi (1,008.57 km) |
| Castelbuono to Lovech | 662.53 mi (1,066.23 km) |
| Castelbuono to Lukovit | 640.83 mi (1,031.31 km) |
| Castelbuono to Lyaskovets | 705.98 mi (1,136.17 km) |
| Castelbuono to Mezdra | 619.02 mi (996.21 km) |
| Castelbuono to Momchilgrad | 650.07 mi (1,046.19 km) |
