| Busto Arsizio to Karlovo | 815.91 mi (1,313.09 km) |
| Busto Arsizio to Karnobat | 920.39 mi (1,481.22 km) |
| Busto Arsizio to Kavarna | 968.95 mi (1,559.37 km) |
| Busto Arsizio to Kazanlak | 844.88 mi (1,359.70 km) |
| Busto Arsizio to Knezha | 762.73 mi (1,227.50 km) |
| Busto Arsizio to Kostinbrod | 735.99 mi (1,184.46 km) |
| Busto Arsizio to Kozloduy | 740.60 mi (1,191.88 km) |
| Busto Arsizio to Kyustendil | 724.36 mi (1,165.75 km) |
| Busto Arsizio to Levski | 815.87 mi (1,313.01 km) |
| Busto Arsizio to Lom | 715.96 mi (1,152.23 km) |
| Busto Arsizio to Lovech | 800.60 mi (1,288.45 km) |
| Busto Arsizio to Lukovit | 772.81 mi (1,243.71 km) |
| Busto Arsizio to Lyaskovets | 849.35 mi (1,366.90 km) |
| Busto Arsizio to Mezdra | 751.50 mi (1,209.43 km) |
| Busto Arsizio to Momchilgrad | 873.87 mi (1,406.35 km) |
