| Castelldefels to Karlovo | 1,173.16 mi (1,888.02 km) |
| Castelldefels to Karnobat | 1,283.58 mi (2,065.72 km) |
| Castelldefels to Kavarna | 1,348.22 mi (2,169.75 km) |
| Castelldefels to Kazanlak | 1,203.36 mi (1,936.61 km) |
| Castelldefels to Knezha | 1,135.07 mi (1,826.72 km) |
| Castelldefels to Kostinbrod | 1,092.01 mi (1,757.42 km) |
| Castelldefels to Kozloduy | 1,117.83 mi (1,798.97 km) |
| Castelldefels to Kyustendil | 1,066.46 mi (1,716.31 km) |
| Castelldefels to Levski | 1,187.82 mi (1,911.61 km) |
| Castelldefels to Lom | 1,093.20 mi (1,759.33 km) |
| Castelldefels to Lovech | 1,167.23 mi (1,878.48 km) |
| Castelldefels to Lukovit | 1,139.40 mi (1,833.69 km) |
| Castelldefels to Lyaskovets | 1,217.69 mi (1,959.69 km) |
| Castelldefels to Mezdra | 1,115.94 mi (1,795.93 km) |
| Castelldefels to Momchilgrad | 1,211.10 mi (1,949.08 km) |
