| Llantwit Major to Karlovo | 1,451.27 mi (2,335.59 km) |
| Llantwit Major to Karnobat | 1,543.30 mi (2,483.71 km) |
| Llantwit Major to Kavarna | 1,570.83 mi (2,528.00 km) |
| Llantwit Major to Kazanlak | 1,477.19 mi (2,377.31 km) |
| Llantwit Major to Knezha | 1,388.07 mi (2,233.88 km) |
| Llantwit Major to Kostinbrod | 1,378.04 mi (2,217.73 km) |
| Llantwit Major to Kozloduy | 1,362.78 mi (2,193.18 km) |
| Llantwit Major to Kyustendil | 1,377.34 mi (2,216.61 km) |
| Llantwit Major to Levski | 1,437.34 mi (2,313.17 km) |
| Llantwit Major to Lom | 1,340.33 mi (2,157.05 km) |
| Llantwit Major to Lovech | 1,428.55 mi (2,299.02 km) |
| Llantwit Major to Lukovit | 1,402.91 mi (2,257.77 km) |
| Llantwit Major to Lyaskovets | 1,472.01 mi (2,368.97 km) |
| Llantwit Major to Mezdra | 1,385.25 mi (2,229.34 km) |
| Llantwit Major to Momchilgrad | 1,521.25 mi (2,448.21 km) |
