| Upper Montclair to Koscian | 4,104.16 mi (6,605.01 km) |
| Upper Montclair to Koscielisko | 4,323.70 mi (6,958.32 km) |
| Upper Montclair to Koscierzyna | 4,086.02 mi (6,575.82 km) |
| Upper Montclair to Kostrzyn | 4,115.14 mi (6,622.67 km) |
| Upper Montclair to Kostrzyn nad Odra | 4,013.82 mi (6,459.62 km) |
| Upper Montclair to Koszalin | 4,018.86 mi (6,467.73 km) |
| Upper Montclair to Kowary | 4,115.98 mi (6,624.03 km) |
| Upper Montclair to Kozienice | 4,303.03 mi (6,925.05 km) |
| Upper Montclair to Kozuchow | 4,075.66 mi (6,559.14 km) |
| Upper Montclair to Kozy | 4,274.64 mi (6,879.38 km) |
| Upper Montclair to Krakow | 4,297.56 mi (6,916.26 km) |
| Upper Montclair to Krapkowice | 4,208.47 mi (6,772.87 km) |
| Upper Montclair to Krasnik | 4,351.32 mi (7,002.77 km) |
| Upper Montclair to Krasnystaw | 4,384.22 mi (7,055.73 km) |
| Upper Montclair to Krosno | 4,379.84 mi (7,048.66 km) |
