| Bouc-Bel-Air to Karlovo | 978.55 mi (1,574.83 km) |
| Bouc-Bel-Air to Karnobat | 1,087.56 mi (1,750.27 km) |
| Bouc-Bel-Air to Kavarna | 1,146.08 mi (1,844.43 km) |
| Bouc-Bel-Air to Kazanlak | 1,008.55 mi (1,623.11 km) |
| Bouc-Bel-Air to Knezha | 934.05 mi (1,503.20 km) |
| Bouc-Bel-Air to Kostinbrod | 896.96 mi (1,443.52 km) |
| Bouc-Bel-Air to Kozloduy | 914.72 mi (1,472.10 km) |
| Bouc-Bel-Air to Kyustendil | 876.64 mi (1,410.81 km) |
| Bouc-Bel-Air to Levski | 987.44 mi (1,589.14 km) |
| Bouc-Bel-Air to Lom | 889.84 mi (1,432.06 km) |
| Bouc-Bel-Air to Lovech | 968.79 mi (1,559.12 km) |
| Bouc-Bel-Air to Lukovit | 940.69 mi (1,513.90 km) |
| Bouc-Bel-Air to Lyaskovets | 1,019.03 mi (1,639.97 km) |
| Bouc-Bel-Air to Mezdra | 917.84 mi (1,477.12 km) |
| Bouc-Bel-Air to Momchilgrad | 1,025.12 mi (1,649.77 km) |
