| Workington to Karlovo | 1,521.25 mi (2,448.22 km) |
| Workington to Karnobat | 1,603.58 mi (2,580.72 km) |
| Workington to Kavarna | 1,619.17 mi (2,605.79 km) |
| Workington to Kazanlak | 1,544.66 mi (2,485.89 km) |
| Workington to Knezha | 1,454.43 mi (2,340.67 km) |
| Workington to Kostinbrod | 1,454.17 mi (2,340.25 km) |
| Workington to Kozloduy | 1,428.35 mi (2,298.71 km) |
| Workington to Kyustendil | 1,460.34 mi (2,350.18 km) |
| Workington to Levski | 1,500.00 mi (2,414.02 km) |
| Workington to Lom | 1,407.87 mi (2,265.74 km) |
| Workington to Lovech | 1,495.01 mi (2,405.98 km) |
| Workington to Lukovit | 1,471.39 mi (2,367.97 km) |
| Workington to Lyaskovets | 1,534.22 mi (2,469.08 km) |
| Workington to Mezdra | 1,456.33 mi (2,343.74 km) |
| Workington to Momchilgrad | 1,596.81 mi (2,569.81 km) |
