| Colchester to Karlovo | 1,281.48 mi (2,062.34 km) |
| Colchester to Karnobat | 1,369.67 mi (2,204.27 km) |
| Colchester to Kavarna | 1,392.88 mi (2,241.63 km) |
| Colchester to Kazanlak | 1,306.37 mi (2,102.40 km) |
| Colchester to Knezha | 1,216.52 mi (1,957.81 km) |
| Colchester to Kostinbrod | 1,210.88 mi (1,948.72 km) |
| Colchester to Kozloduy | 1,190.83 mi (1,916.45 km) |
| Colchester to Kyustendil | 1,213.59 mi (1,953.09 km) |
| Colchester to Levski | 1,264.39 mi (2,034.85 km) |
| Colchester to Lom | 1,169.15 mi (1,881.57 km) |
| Colchester to Lovech | 1,257.16 mi (2,023.20 km) |
| Colchester to Lukovit | 1,232.33 mi (1,983.24 km) |
| Colchester to Lyaskovets | 1,298.97 mi (2,090.49 km) |
| Colchester to Mezdra | 1,215.77 mi (1,956.59 km) |
| Colchester to Momchilgrad | 1,354.19 mi (2,179.37 km) |
