| Castagneto Carducci to Karlovo | 719.06 mi (1,157.22 km) |
| Castagneto Carducci to Karnobat | 828.72 mi (1,333.69 km) |
| Castagneto Carducci to Kavarna | 890.21 mi (1,432.66 km) |
| Castagneto Carducci to Kazanlak | 749.17 mi (1,205.67 km) |
| Castagneto Carducci to Knezha | 677.28 mi (1,089.97 km) |
| Castagneto Carducci to Kostinbrod | 637.48 mi (1,025.93 km) |
| Castagneto Carducci to Kozloduy | 659.18 mi (1,060.84 km) |
| Castagneto Carducci to Kyustendil | 615.80 mi (991.04 km) |
| Castagneto Carducci to Levski | 730.40 mi (1,175.47 km) |
| Castagneto Carducci to Lom | 634.43 mi (1,021.01 km) |
| Castagneto Carducci to Lovech | 710.77 mi (1,143.88 km) |
| Castagneto Carducci to Lukovit | 682.75 mi (1,098.78 km) |
| Castagneto Carducci to Lyaskovets | 761.19 mi (1,225.01 km) |
| Castagneto Carducci to Mezdra | 659.58 mi (1,061.50 km) |
| Castagneto Carducci to Momchilgrad | 763.92 mi (1,229.41 km) |
