| San Martin de Valdeiglesias to Karlovo | 1,511.98 mi (2,433.30 km) |
| San Martin de Valdeiglesias to Karnobat | 1,622.29 mi (2,610.82 km) |
| San Martin de Valdeiglesias to Kavarna | 1,685.78 mi (2,713.01 km) |
| San Martin de Valdeiglesias to Kazanlak | 1,542.17 mi (2,481.88 km) |
| San Martin de Valdeiglesias to Knezha | 1,472.71 mi (2,370.10 km) |
| San Martin de Valdeiglesias to Kostinbrod | 1,430.70 mi (2,302.50 km) |
| San Martin de Valdeiglesias to Kozloduy | 1,454.90 mi (2,341.44 km) |
| San Martin de Valdeiglesias to Kyustendil | 1,405.64 mi (2,262.16 km) |
| San Martin de Valdeiglesias to Levski | 1,525.66 mi (2,455.32 km) |
| San Martin de Valdeiglesias to Lom | 1,430.17 mi (2,301.63 km) |
| San Martin de Valdeiglesias to Lovech | 1,505.46 mi (2,422.80 km) |
| San Martin de Valdeiglesias to Lukovit | 1,477.55 mi (2,377.88 km) |
| San Martin de Valdeiglesias to Lyaskovets | 1,555.92 mi (2,504.01 km) |
| San Martin de Valdeiglesias to Mezdra | 1,454.17 mi (2,340.27 km) |
| San Martin de Valdeiglesias to Momchilgrad | 1,550.43 mi (2,495.18 km) |
