| Osuna to Karlovo | 1,618.76 mi (2,605.15 km) |
| Osuna to Karnobat | 1,729.24 mi (2,782.94 km) |
| Osuna to Kavarna | 1,799.25 mi (2,895.62 km) |
| Osuna to Kazanlak | 1,648.76 mi (2,653.42 km) |
| Osuna to Knezha | 1,587.01 mi (2,554.04 km) |
| Osuna to Kostinbrod | 1,539.10 mi (2,476.94 km) |
| Osuna to Kozloduy | 1,571.77 mi (2,529.51 km) |
| Osuna to Kyustendil | 1,509.14 mi (2,428.73 km) |
| Osuna to Levski | 1,638.63 mi (2,637.12 km) |
| Osuna to Lom | 1,547.59 mi (2,490.61 km) |
| Osuna to Lovech | 1,616.49 mi (2,601.49 km) |
| Osuna to Lukovit | 1,589.22 mi (2,557.60 km) |
| Osuna to Lyaskovets | 1,666.61 mi (2,682.15 km) |
| Osuna to Mezdra | 1,565.48 mi (2,519.40 km) |
| Osuna to Momchilgrad | 1,647.67 mi (2,651.66 km) |
