| Hopatcong to Karlovo | 4,791.62 mi (7,711.37 km) |
| Hopatcong to Karnobat | 4,879.45 mi (7,852.72 km) |
| Hopatcong to Kavarna | 4,898.25 mi (7,882.97 km) |
| Hopatcong to Kazanlak | 4,816.69 mi (7,751.71 km) |
| Hopatcong to Knezha | 4,726.86 mi (7,607.15 km) |
| Hopatcong to Kostinbrod | 4,719.83 mi (7,595.83 km) |
| Hopatcong to Kozloduy | 4,701.16 mi (7,565.78 km) |
| Hopatcong to Kyustendil | 4,719.79 mi (7,595.76 km) |
| Hopatcong to Levski | 4,774.52 mi (7,683.85 km) |
| Hopatcong to Lom | 4,679.48 mi (7,530.89 km) |
| Hopatcong to Lovech | 4,767.50 mi (7,672.55 km) |
| Hopatcong to Lukovit | 4,742.60 mi (7,632.48 km) |
| Hopatcong to Lyaskovets | 4,809.05 mi (7,739.41 km) |
| Hopatcong to Mezdra | 4,725.79 mi (7,605.43 km) |
| Hopatcong to Momchilgrad | 4,863.16 mi (7,826.49 km) |
