| Piedras Blancas to Karlovo | 1,545.34 mi (2,486.99 km) |
| Piedras Blancas to Karnobat | 1,653.17 mi (2,660.52 km) |
| Piedras Blancas to Kavarna | 1,707.27 mi (2,747.58 km) |
| Piedras Blancas to Kazanlak | 1,575.12 mi (2,534.91 km) |
| Piedras Blancas to Knezha | 1,497.49 mi (2,409.97 km) |
| Piedras Blancas to Kostinbrod | 1,463.95 mi (2,355.99 km) |
| Piedras Blancas to Kozloduy | 1,476.79 mi (2,376.67 km) |
| Piedras Blancas to Kyustendil | 1,445.54 mi (2,326.37 km) |
| Piedras Blancas to Levski | 1,550.96 mi (2,496.03 km) |
| Piedras Blancas to Lom | 1,451.93 mi (2,336.65 km) |
| Piedras Blancas to Lovech | 1,533.64 mi (2,468.16 km) |
| Piedras Blancas to Lukovit | 1,505.56 mi (2,422.97 km) |
| Piedras Blancas to Lyaskovets | 1,583.46 mi (2,548.33 km) |
| Piedras Blancas to Mezdra | 1,483.19 mi (2,386.96 km) |
| Piedras Blancas to Momchilgrad | 1,594.57 mi (2,566.21 km) |
