| Rockport to Karlovo | 6,315.71 mi (10,164.16 km) |
| Rockport to Karnobat | 6,398.15 mi (10,296.83 km) |
| Rockport to Kavarna | 6,409.67 mi (10,315.36 km) |
| Rockport to Kazanlak | 6,339.47 mi (10,202.39 km) |
| Rockport to Knezha | 6,249.25 mi (10,057.20 km) |
| Rockport to Kostinbrod | 6,246.86 mi (10,053.34 km) |
| Rockport to Kozloduy | 6,223.21 mi (10,015.30 km) |
| Rockport to Kyustendil | 6,249.87 mi (10,058.20 km) |
| Rockport to Levski | 6,294.91 mi (10,130.68 km) |
| Rockport to Lom | 6,202.52 mi (9,982.00 km) |
| Rockport to Lovech | 6,289.86 mi (10,122.54 km) |
| Rockport to Lukovit | 6,266.01 mi (10,084.16 km) |
| Rockport to Lyaskovets | 6,329.08 mi (10,185.67 km) |
| Rockport to Mezdra | 6,250.47 mi (10,059.16 km) |
| Rockport to Momchilgrad | 6,390.03 mi (10,283.76 km) |
