| Upper Montclair to Karlovo | 4,777.85 mi (7,689.20 km) |
| Upper Montclair to Karnobat | 4,866.06 mi (7,831.16 km) |
| Upper Montclair to Kavarna | 4,885.35 mi (7,862.20 km) |
| Upper Montclair to Kazanlak | 4,803.01 mi (7,729.70 km) |
| Upper Montclair to Knezha | 4,713.24 mi (7,585.22 km) |
| Upper Montclair to Kostinbrod | 4,705.83 mi (7,573.30 km) |
| Upper Montclair to Kozloduy | 4,687.56 mi (7,543.90 km) |
| Upper Montclair to Kyustendil | 4,705.53 mi (7,572.83 km) |
| Upper Montclair to Levski | 4,761.03 mi (7,662.14 km) |
| Upper Montclair to Lom | 4,665.81 mi (7,508.90 km) |
| Upper Montclair to Lovech | 4,753.86 mi (7,650.60 km) |
| Upper Montclair to Lukovit | 4,728.89 mi (7,610.42 km) |
| Upper Montclair to Lyaskovets | 4,795.58 mi (7,717.73 km) |
| Upper Montclair to Mezdra | 4,711.99 mi (7,583.21 km) |
| Upper Montclair to Momchilgrad | 4,849.14 mi (7,803.94 km) |
