| Boissy-Saint-Leger to Karlovo | 1,150.58 mi (1,851.68 km) |
| Boissy-Saint-Leger to Karnobat | 1,247.94 mi (2,008.37 km) |
| Boissy-Saint-Leger to Kavarna | 1,283.70 mi (2,065.91 km) |
| Boissy-Saint-Leger to Kazanlak | 1,177.82 mi (1,895.51 km) |
| Boissy-Saint-Leger to Knezha | 1,090.48 mi (1,754.97 km) |
| Boissy-Saint-Leger to Kostinbrod | 1,074.37 mi (1,729.03 km) |
| Boissy-Saint-Leger to Kozloduy | 1,066.07 mi (1,715.68 km) |
| Boissy-Saint-Leger to Kyustendil | 1,069.75 mi (1,721.59 km) |
| Boissy-Saint-Leger to Levski | 1,141.63 mi (1,837.27 km) |
| Boissy-Saint-Leger to Lom | 1,042.61 mi (1,677.92 km) |
| Boissy-Saint-Leger to Lovech | 1,130.39 mi (1,819.18 km) |
| Boissy-Saint-Leger to Lukovit | 1,103.75 mi (1,776.31 km) |
| Boissy-Saint-Leger to Lyaskovets | 1,176.17 mi (1,892.86 km) |
| Boissy-Saint-Leger to Mezdra | 1,084.62 mi (1,745.52 km) |
| Boissy-Saint-Leger to Momchilgrad | 1,216.52 mi (1,957.80 km) |
