| Swansea to Karlovo | 5,498.09 mi (8,848.33 km) |
| Swansea to Karnobat | 5,577.58 mi (8,976.24 km) |
| Swansea to Kavarna | 5,586.05 mi (8,989.89 km) |
| Swansea to Kazanlak | 5,521.07 mi (8,885.31 km) |
| Swansea to Knezha | 5,430.86 mi (8,740.12 km) |
| Swansea to Kostinbrod | 5,431.16 mi (8,740.60 km) |
| Swansea to Kozloduy | 5,404.70 mi (8,698.03 km) |
| Swansea to Kyustendil | 5,436.22 mi (8,748.75 km) |
| Swansea to Levski | 5,475.38 mi (8,811.77 km) |
| Swansea to Lom | 5,384.59 mi (8,665.66 km) |
| Swansea to Lovech | 5,471.35 mi (8,805.28 km) |
| Swansea to Lukovit | 5,448.12 mi (8,767.90 km) |
| Swansea to Lyaskovets | 5,509.29 mi (8,866.35 km) |
| Swansea to Mezdra | 5,433.34 mi (8,744.12 km) |
| Swansea to Momchilgrad | 5,573.89 mi (8,970.30 km) |
