| Montclair to Karlovo | 6,630.52 mi (10,670.79 km) |
| Montclair to Karnobat | 6,685.85 mi (10,759.83 km) |
| Montclair to Kavarna | 6,669.50 mi (10,733.53 km) |
| Montclair to Kazanlak | 6,647.30 mi (10,697.79 km) |
| Montclair to Knezha | 6,560.99 mi (10,558.89 km) |
| Montclair to Kostinbrod | 6,578.64 mi (10,587.30 km) |
| Montclair to Kozloduy | 6,535.19 mi (10,517.37 km) |
| Montclair to Kyustendil | 6,595.63 mi (10,614.64 km) |
| Montclair to Levski | 6,595.71 mi (10,614.77 km) |
| Montclair to Lom | 6,519.82 mi (10,492.63 km) |
| Montclair to Lovech | 6,598.96 mi (10,620.01 km) |
| Montclair to Lukovit | 6,580.92 mi (10,590.97 km) |
| Montclair to Lyaskovets | 6,626.34 mi (10,664.07 km) |
| Montclair to Mezdra | 6,571.74 mi (10,576.19 km) |
| Montclair to Momchilgrad | 6,712.53 mi (10,802.77 km) |
