| Bourne to Karlovo | 1,353.48 mi (2,178.22 km) |
| Bourne to Karnobat | 1,439.67 mi (2,316.92 km) |
| Bourne to Kavarna | 1,460.22 mi (2,350.00 km) |
| Bourne to Kazanlak | 1,377.87 mi (2,217.46 km) |
| Bourne to Knezha | 1,287.81 mi (2,072.52 km) |
| Bourne to Kostinbrod | 1,284.09 mi (2,066.55 km) |
| Bourne to Kozloduy | 1,261.95 mi (2,030.92 km) |
| Bourne to Kyustendil | 1,288.06 mi (2,072.93 km) |
| Bourne to Levski | 1,334.90 mi (2,148.31 km) |
| Bourne to Lom | 1,240.68 mi (1,996.69 km) |
| Bourne to Lovech | 1,328.46 mi (2,137.94 km) |
| Bourne to Lukovit | 1,304.04 mi (2,098.64 km) |
| Bourne to Lyaskovets | 1,369.38 mi (2,203.80 km) |
| Bourne to Mezdra | 1,288.01 mi (2,072.85 km) |
| Bourne to Momchilgrad | 1,427.26 mi (2,296.96 km) |
