| Chelmsford to Karlovo | 1,294.66 mi (2,083.56 km) |
| Chelmsford to Karnobat | 1,383.68 mi (2,226.82 km) |
| Chelmsford to Kavarna | 1,407.86 mi (2,265.73 km) |
| Chelmsford to Kazanlak | 1,319.77 mi (2,123.97 km) |
| Chelmsford to Knezha | 1,230.05 mi (1,979.57 km) |
| Chelmsford to Kostinbrod | 1,223.51 mi (1,969.05 km) |
| Chelmsford to Kozloduy | 1,204.43 mi (1,938.34 km) |
| Chelmsford to Kyustendil | 1,225.56 mi (1,972.35 km) |
| Chelmsford to Levski | 1,278.23 mi (2,057.11 km) |
| Chelmsford to Lom | 1,182.58 mi (1,903.18 km) |
| Chelmsford to Lovech | 1,270.66 mi (2,044.94 km) |
| Chelmsford to Lukovit | 1,245.66 mi (2,004.69 km) |
| Chelmsford to Lyaskovets | 1,312.83 mi (2,112.80 km) |
| Chelmsford to Mezdra | 1,228.87 mi (1,977.67 km) |
| Chelmsford to Momchilgrad | 1,366.86 mi (2,199.75 km) |
