| Alfaro to Karlovo | 1,349.53 mi (2,171.86 km) |
| Alfaro to Karnobat | 1,459.12 mi (2,348.22 km) |
| Alfaro to Kavarna | 1,519.09 mi (2,444.73 km) |
| Alfaro to Kazanlak | 1,379.63 mi (2,220.31 km) |
| Alfaro to Knezha | 1,306.69 mi (2,102.91 km) |
| Alfaro to Kostinbrod | 1,267.95 mi (2,040.56 km) |
| Alfaro to Kozloduy | 1,287.73 mi (2,072.39 km) |
| Alfaro to Kyustendil | 1,245.66 mi (2,004.70 km) |
| Alfaro to Levski | 1,360.00 mi (2,188.71 km) |
| Alfaro to Lom | 1,262.86 mi (2,032.38 km) |
| Alfaro to Lovech | 1,340.87 mi (2,157.92 km) |
| Alfaro to Lukovit | 1,312.81 mi (2,112.76 km) |
| Alfaro to Lyaskovets | 1,391.22 mi (2,238.96 km) |
| Alfaro to Mezdra | 1,289.76 mi (2,075.67 km) |
| Alfaro to Momchilgrad | 1,392.82 mi (2,241.52 km) |
