| Laguna de Duero to Karlovo | 1,507.32 mi (2,425.79 km) |
| Laguna de Duero to Karnobat | 1,616.99 mi (2,602.30 km) |
| Laguna de Duero to Kavarna | 1,677.16 mi (2,699.13 km) |
| Laguna de Duero to Kazanlak | 1,537.44 mi (2,474.27 km) |
| Laguna de Duero to Knezha | 1,464.73 mi (2,357.26 km) |
| Laguna de Duero to Kostinbrod | 1,425.75 mi (2,294.52 km) |
| Laguna de Duero to Kozloduy | 1,445.80 mi (2,326.80 km) |
| Laguna de Duero to Kyustendil | 1,403.11 mi (2,258.08 km) |
| Laguna de Duero to Levski | 1,518.04 mi (2,443.05 km) |
| Laguna de Duero to Lom | 1,420.95 mi (2,286.79 km) |
| Laguna de Duero to Lovech | 1,498.84 mi (2,412.16 km) |
| Laguna de Duero to Lukovit | 1,470.79 mi (2,367.00 km) |
| Laguna de Duero to Lyaskovets | 1,549.21 mi (2,493.21 km) |
| Laguna de Duero to Mezdra | 1,447.72 mi (2,329.88 km) |
| Laguna de Duero to Momchilgrad | 1,549.92 mi (2,494.36 km) |
