| Guillena to Karlovo | 1,659.11 mi (2,670.08 km) |
| Guillena to Karnobat | 1,769.68 mi (2,848.03 km) |
| Guillena to Kavarna | 1,838.47 mi (2,958.73 km) |
| Guillena to Kazanlak | 1,689.18 mi (2,718.48 km) |
| Guillena to Knezha | 1,625.81 mi (2,616.48 km) |
| Guillena to Kostinbrod | 1,579.03 mi (2,541.20 km) |
| Guillena to Kozloduy | 1,610.01 mi (2,591.06 km) |
| Guillena to Kyustendil | 1,549.98 mi (2,494.45 km) |
| Guillena to Levski | 1,677.77 mi (2,700.11 km) |
| Guillena to Lom | 1,585.68 mi (2,551.91 km) |
| Guillena to Lovech | 1,655.99 mi (2,665.06 km) |
| Guillena to Lukovit | 1,628.56 mi (2,620.91 km) |
| Guillena to Lyaskovets | 1,706.24 mi (2,745.93 km) |
| Guillena to Mezdra | 1,604.87 mi (2,582.78 km) |
| Guillena to Momchilgrad | 1,689.85 mi (2,719.54 km) |
