| Barcelona to Karlovo | 1,161.53 mi (1,869.30 km) |
| Barcelona to Karnobat | 1,271.92 mi (2,046.95 km) |
| Barcelona to Kavarna | 1,336.35 mi (2,150.65 km) |
| Barcelona to Kazanlak | 1,191.72 mi (1,917.89 km) |
| Barcelona to Knezha | 1,123.21 mi (1,807.62 km) |
| Barcelona to Kostinbrod | 1,080.34 mi (1,738.64 km) |
| Barcelona to Kozloduy | 1,105.89 mi (1,779.76 km) |
| Barcelona to Kyustendil | 1,054.97 mi (1,697.80 km) |
| Barcelona to Levski | 1,175.99 mi (1,892.57 km) |
| Barcelona to Lom | 1,081.25 mi (1,740.10 km) |
| Barcelona to Lovech | 1,155.46 mi (1,859.54 km) |
| Barcelona to Lukovit | 1,127.62 mi (1,814.72 km) |
| Barcelona to Lyaskovets | 1,205.93 mi (1,940.75 km) |
| Barcelona to Mezdra | 1,104.17 mi (1,776.99 km) |
| Barcelona to Momchilgrad | 1,199.79 mi (1,930.87 km) |
