| Gradignan to Karlovo | 1,272.99 mi (2,048.68 km) |
| Gradignan to Karnobat | 1,379.77 mi (2,220.52 km) |
| Gradignan to Kavarna | 1,431.69 mi (2,304.08 km) |
| Gradignan to Kazanlak | 1,302.53 mi (2,096.22 km) |
| Gradignan to Knezha | 1,223.18 mi (1,968.52 km) |
| Gradignan to Kostinbrod | 1,191.93 mi (1,918.22 km) |
| Gradignan to Kozloduy | 1,201.93 mi (1,934.32 km) |
| Gradignan to Kyustendil | 1,175.63 mi (1,891.99 km) |
| Gradignan to Levski | 1,276.58 mi (2,054.46 km) |
| Gradignan to Lom | 1,177.12 mi (1,894.40 km) |
| Gradignan to Lovech | 1,260.00 mi (2,027.78 km) |
| Gradignan to Lukovit | 1,231.99 mi (1,982.69 km) |
| Gradignan to Lyaskovets | 1,309.49 mi (2,107.42 km) |
| Gradignan to Mezdra | 1,209.95 mi (1,947.23 km) |
| Gradignan to Momchilgrad | 1,325.24 mi (2,132.77 km) |
