| Southampton to Karlovo | 1,355.76 mi (2,181.88 km) |
| Southampton to Karnobat | 1,448.39 mi (2,330.96 km) |
| Southampton to Kavarna | 1,476.97 mi (2,376.96 km) |
| Southampton to Kazanlak | 1,381.82 mi (2,223.83 km) |
| Southampton to Knezha | 1,292.84 mi (2,080.62 km) |
| Southampton to Kostinbrod | 1,282.24 mi (2,063.57 km) |
| Southampton to Kozloduy | 1,267.63 mi (2,040.05 km) |
| Southampton to Kyustendil | 1,281.27 mi (2,062.01 km) |
| Southampton to Levski | 1,342.34 mi (2,160.29 km) |
| Southampton to Lom | 1,245.07 mi (2,003.74 km) |
| Southampton to Lovech | 1,333.28 mi (2,145.70 km) |
| Southampton to Lukovit | 1,307.53 mi (2,104.27 km) |
| Southampton to Lyaskovets | 1,377.01 mi (2,216.08 km) |
| Southampton to Mezdra | 1,289.72 mi (2,075.60 km) |
| Southampton to Momchilgrad | 1,425.41 mi (2,293.97 km) |
