| Llanelli to Karlovo | 1,484.49 mi (2,389.05 km) |
| Llanelli to Karnobat | 1,576.00 mi (2,536.32 km) |
| Llanelli to Kavarna | 1,602.76 mi (2,579.39 km) |
| Llanelli to Kazanlak | 1,510.28 mi (2,430.56 km) |
| Llanelli to Knezha | 1,421.03 mi (2,286.93 km) |
| Llanelli to Kostinbrod | 1,411.55 mi (2,271.67 km) |
| Llanelli to Kozloduy | 1,395.68 mi (2,246.14 km) |
| Llanelli to Kyustendil | 1,411.20 mi (2,271.10 km) |
| Llanelli to Levski | 1,470.12 mi (2,365.93 km) |
| Llanelli to Lom | 1,373.34 mi (2,210.17 km) |
| Llanelli to Lovech | 1,461.55 mi (2,352.13 km) |
| Llanelli to Lukovit | 1,436.01 mi (2,311.04 km) |
| Llanelli to Lyaskovets | 1,504.78 mi (2,421.71 km) |
| Llanelli to Mezdra | 1,418.49 mi (2,282.84 km) |
| Llanelli to Momchilgrad | 1,554.80 mi (2,502.21 km) |
