| Huelva to Karlovo | 1,712.25 mi (2,755.60 km) |
| Huelva to Karnobat | 1,822.82 mi (2,933.55 km) |
| Huelva to Kavarna | 1,891.56 mi (3,044.18 km) |
| Huelva to Kazanlak | 1,742.32 mi (2,804.00 km) |
| Huelva to Knezha | 1,678.88 mi (2,701.90 km) |
| Huelva to Kostinbrod | 1,632.15 mi (2,626.70 km) |
| Huelva to Kozloduy | 1,663.05 mi (2,676.42 km) |
| Huelva to Kyustendil | 1,603.12 mi (2,579.97 km) |
| Huelva to Levski | 1,730.87 mi (2,785.56 km) |
| Huelva to Lom | 1,638.71 mi (2,637.25 km) |
| Huelva to Lovech | 1,709.11 mi (2,750.54 km) |
| Huelva to Lukovit | 1,681.66 mi (2,706.38 km) |
| Huelva to Lyaskovets | 1,759.36 mi (2,831.42 km) |
| Huelva to Mezdra | 1,657.98 mi (2,668.25 km) |
| Huelva to Momchilgrad | 1,742.95 mi (2,805.01 km) |
