| Acton to Karlovo | 1,320.42 mi (2,125.02 km) |
| Acton to Karnobat | 1,410.60 mi (2,270.15 km) |
| Acton to Kavarna | 1,436.14 mi (2,311.25 km) |
| Acton to Kazanlak | 1,345.84 mi (2,165.92 km) |
| Acton to Knezha | 1,256.31 mi (2,021.84 km) |
| Acton to Kostinbrod | 1,248.49 mi (2,009.25 km) |
| Acton to Kozloduy | 1,230.81 mi (1,980.80 km) |
| Acton to Kyustendil | 1,249.58 mi (2,011.00 km) |
| Acton to Levski | 1,304.93 mi (2,100.08 km) |
| Acton to Lom | 1,208.73 mi (1,945.27 km) |
| Acton to Lovech | 1,296.89 mi (2,087.15 km) |
| Acton to Lukovit | 1,271.64 mi (2,046.51 km) |
| Acton to Lyaskovets | 1,339.57 mi (2,155.82 km) |
| Acton to Mezdra | 1,254.52 mi (2,018.96 km) |
| Acton to Momchilgrad | 1,391.84 mi (2,239.95 km) |
