| Holtsville to Karlovo | 4,732.02 mi (7,615.45 km) |
| Holtsville to Karnobat | 4,820.95 mi (7,758.57 km) |
| Holtsville to Kavarna | 4,841.17 mi (7,791.11 km) |
| Holtsville to Kazanlak | 4,757.36 mi (7,656.24 km) |
| Holtsville to Knezha | 4,667.69 mi (7,511.93 km) |
| Holtsville to Kostinbrod | 4,659.60 mi (7,498.91 km) |
| Holtsville to Kozloduy | 4,642.08 mi (7,470.70 km) |
| Holtsville to Kyustendil | 4,658.82 mi (7,497.65 km) |
| Holtsville to Levski | 4,715.75 mi (7,589.27 km) |
| Holtsville to Lom | 4,620.20 mi (7,435.49 km) |
| Holtsville to Lovech | 4,708.31 mi (7,577.29 km) |
| Holtsville to Lukovit | 4,683.20 mi (7,536.88 km) |
| Holtsville to Lyaskovets | 4,750.32 mi (7,644.90 km) |
| Holtsville to Mezdra | 4,666.11 mi (7,509.38 km) |
| Holtsville to Momchilgrad | 4,802.87 mi (7,729.48 km) |
