| Caldas da Rainha to Karlovo | 1,771.33 mi (2,850.69 km) |
| Caldas da Rainha to Karnobat | 1,881.59 mi (3,028.12 km) |
| Caldas da Rainha to Kavarna | 1,944.51 mi (3,129.39 km) |
| Caldas da Rainha to Kazanlak | 1,801.52 mi (2,899.27 km) |
| Caldas da Rainha to Knezha | 1,731.52 mi (2,786.62 km) |
| Caldas da Rainha to Kostinbrod | 1,690.01 mi (2,719.81 km) |
| Caldas da Rainha to Kozloduy | 1,713.46 mi (2,757.54 km) |
| Caldas da Rainha to Kyustendil | 1,665.15 mi (2,679.80 km) |
| Caldas da Rainha to Levski | 1,784.57 mi (2,871.98 km) |
| Caldas da Rainha to Lom | 1,688.68 mi (2,717.67 km) |
| Caldas da Rainha to Lovech | 1,764.54 mi (2,839.75 km) |
| Caldas da Rainha to Lukovit | 1,736.60 mi (2,794.78 km) |
| Caldas da Rainha to Lyaskovets | 1,815.00 mi (2,920.96 km) |
| Caldas da Rainha to Mezdra | 1,713.27 mi (2,757.24 km) |
| Caldas da Rainha to Momchilgrad | 1,809.98 mi (2,912.88 km) |
