| Rockwall to Karlovo | 6,028.92 mi (9,702.60 km) |
| Rockwall to Karnobat | 6,107.92 mi (9,829.76 km) |
| Rockwall to Kavarna | 6,115.62 mi (9,842.13 km) |
| Rockwall to Kazanlak | 6,051.80 mi (9,739.42 km) |
| Rockwall to Knezha | 5,961.59 mi (9,594.25 km) |
| Rockwall to Kostinbrod | 5,962.17 mi (9,595.18 km) |
| Rockwall to Kozloduy | 5,935.42 mi (9,552.14 km) |
| Rockwall to Kyustendil | 5,967.34 mi (9,603.51 km) |
| Rockwall to Levski | 6,005.93 mi (9,665.61 km) |
| Rockwall to Lom | 5,915.39 mi (9,519.89 km) |
| Rockwall to Lovech | 6,002.06 mi (9,659.38 km) |
| Rockwall to Lukovit | 5,978.91 mi (9,622.13 km) |
| Rockwall to Lyaskovets | 6,039.80 mi (9,720.12 km) |
| Rockwall to Mezdra | 5,964.23 mi (9,598.49 km) |
| Rockwall to Momchilgrad | 6,104.85 mi (9,824.81 km) |
