| Flat Rock to Karlovo | 5,075.16 mi (8,167.68 km) |
| Flat Rock to Karnobat | 5,156.27 mi (8,298.21 km) |
| Flat Rock to Kavarna | 5,166.81 mi (8,315.17 km) |
| Flat Rock to Kazanlak | 5,098.54 mi (8,205.30 km) |
| Flat Rock to Knezha | 5,008.30 mi (8,060.08 km) |
| Flat Rock to Kostinbrod | 5,007.31 mi (8,058.49 km) |
| Flat Rock to Kozloduy | 4,982.20 mi (8,018.08 km) |
| Flat Rock to Kyustendil | 5,011.53 mi (8,065.28 km) |
| Flat Rock to Levski | 5,053.44 mi (8,132.73 km) |
| Flat Rock to Lom | 4,961.78 mi (7,985.22 km) |
| Flat Rock to Lovech | 5,048.86 mi (8,125.35 km) |
| Flat Rock to Lukovit | 5,025.30 mi (8,087.45 km) |
| Flat Rock to Lyaskovets | 5,087.51 mi (8,187.55 km) |
| Flat Rock to Mezdra | 5,010.15 mi (8,063.06 km) |
| Flat Rock to Momchilgrad | 5,150.27 mi (8,288.56 km) |
