| Lake Hopatcong to Karlovo | 4,789.35 mi (7,707.71 km) |
| Lake Hopatcong to Karnobat | 4,877.20 mi (7,849.10 km) |
| Lake Hopatcong to Kavarna | 4,896.03 mi (7,879.40 km) |
| Lake Hopatcong to Kazanlak | 4,814.42 mi (7,748.07 km) |
| Lake Hopatcong to Knezha | 4,724.60 mi (7,603.51 km) |
| Lake Hopatcong to Kostinbrod | 4,717.54 mi (7,592.15 km) |
| Lake Hopatcong to Kozloduy | 4,698.89 mi (7,562.14 km) |
| Lake Hopatcong to Kyustendil | 4,717.48 mi (7,592.06 km) |
| Lake Hopatcong to Levski | 4,772.27 mi (7,680.23 km) |
| Lake Hopatcong to Lom | 4,677.21 mi (7,527.25 km) |
| Lake Hopatcong to Lovech | 4,765.24 mi (7,668.91 km) |
| Lake Hopatcong to Lukovit | 4,740.34 mi (7,628.83 km) |
| Lake Hopatcong to Lyaskovets | 4,806.79 mi (7,735.79 km) |
| Lake Hopatcong to Mezdra | 4,723.52 mi (7,601.77 km) |
| Lake Hopatcong to Momchilgrad | 4,860.87 mi (7,822.81 km) |
