| Trecastagni to Karlovo | 619.45 mi (996.91 km) |
| Trecastagni to Karnobat | 716.95 mi (1,153.82 km) |
| Trecastagni to Kavarna | 802.20 mi (1,291.01 km) |
| Trecastagni to Kazanlak | 644.65 mi (1,037.46 km) |
| Trecastagni to Knezha | 622.59 mi (1,001.96 km) |
| Trecastagni to Kostinbrod | 559.20 mi (899.94 km) |
| Trecastagni to Kozloduy | 621.32 mi (999.91 km) |
| Trecastagni to Kyustendil | 515.40 mi (829.45 km) |
| Trecastagni to Levski | 660.04 mi (1,062.24 km) |
| Trecastagni to Lom | 604.69 mi (973.16 km) |
| Trecastagni to Lovech | 633.73 mi (1,019.89 km) |
| Trecastagni to Lukovit | 613.53 mi (987.38 km) |
| Trecastagni to Lyaskovets | 675.15 mi (1,086.55 km) |
| Trecastagni to Mezdra | 592.58 mi (953.67 km) |
| Trecastagni to Momchilgrad | 612.69 mi (986.03 km) |
