| Upper Montclair to Jozefow | 4,271.03 mi (6,873.55 km) |
| Upper Montclair to Kalisz | 4,168.37 mi (6,708.34 km) |
| Upper Montclair to Kamien Pomorski | 3,974.91 mi (6,396.99 km) |
| Upper Montclair to Kamienna Gora | 4,123.92 mi (6,636.81 km) |
| Upper Montclair to Karczew | 4,273.43 mi (6,877.42 km) |
| Upper Montclair to Kartuzy | 4,086.64 mi (6,576.81 km) |
| Upper Montclair to Katowice | 4,255.36 mi (6,848.34 km) |
| Upper Montclair to Kedzierzyn-Kozle | 4,221.40 mi (6,793.69 km) |
| Upper Montclair to Kepno | 4,180.96 mi (6,728.60 km) |
| Upper Montclair to Ketrzyn | 4,207.18 mi (6,770.80 km) |
| Upper Montclair to Kety | 4,276.00 mi (6,881.56 km) |
| Upper Montclair to Kielce | 4,294.34 mi (6,911.07 km) |
| Upper Montclair to Kielczow | 4,155.49 mi (6,687.62 km) |
| Upper Montclair to Klobuck | 4,229.32 mi (6,806.43 km) |
| Upper Montclair to Klodzko | 4,159.30 mi (6,693.75 km) |
