| Boxley to Karlovo | 1,282.57 mi (2,064.09 km) |
| Boxley to Karnobat | 1,372.94 mi (2,209.53 km) |
| Boxley to Kavarna | 1,398.84 mi (2,251.22 km) |
| Boxley to Kazanlak | 1,308.03 mi (2,105.06 km) |
| Boxley to Knezha | 1,218.53 mi (1,961.04 km) |
| Boxley to Kostinbrod | 1,210.56 mi (1,948.20 km) |
| Boxley to Kozloduy | 1,193.05 mi (1,920.03 km) |
| Boxley to Kyustendil | 1,211.60 mi (1,949.88 km) |
| Boxley to Levski | 1,267.22 mi (2,039.39 km) |
| Boxley to Lom | 1,170.93 mi (1,884.43 km) |
| Boxley to Lovech | 1,259.10 mi (2,026.33 km) |
| Boxley to Lukovit | 1,233.82 mi (1,985.63 km) |
| Boxley to Lyaskovets | 1,301.86 mi (2,095.15 km) |
| Boxley to Mezdra | 1,216.65 mi (1,958.02 km) |
| Boxley to Momchilgrad | 1,353.90 mi (2,178.90 km) |
