| Mairena del Aljarafe to Karlovo | 1,665.19 mi (2,679.86 km) |
| Mairena del Aljarafe to Karnobat | 1,775.73 mi (2,857.77 km) |
| Mairena del Aljarafe to Kavarna | 1,844.90 mi (2,969.08 km) |
| Mairena del Aljarafe to Kazanlak | 1,695.24 mi (2,728.22 km) |
| Mairena del Aljarafe to Knezha | 1,632.35 mi (2,627.02 km) |
| Mairena del Aljarafe to Kostinbrod | 1,585.22 mi (2,551.17 km) |
| Mairena del Aljarafe to Kozloduy | 1,616.72 mi (2,601.85 km) |
| Mairena del Aljarafe to Kyustendil | 1,555.89 mi (2,503.96 km) |
| Mairena del Aljarafe to Levski | 1,684.22 mi (2,710.49 km) |
| Mairena del Aljarafe to Lom | 1,592.43 mi (2,562.77 km) |
| Mairena del Aljarafe to Lovech | 1,662.33 mi (2,675.26 km) |
| Mairena del Aljarafe to Lukovit | 1,634.94 mi (2,631.18 km) |
| Mairena del Aljarafe to Lyaskovets | 1,712.54 mi (2,756.07 km) |
| Mairena del Aljarafe to Mezdra | 1,611.24 mi (2,593.03 km) |
| Mairena del Aljarafe to Momchilgrad | 1,695.32 mi (2,728.36 km) |
