| Allentown to Koscian | 4,163.62 mi (6,700.70 km) |
| Allentown to Koscielisko | 4,384.09 mi (7,055.51 km) |
| Allentown to Koscierzyna | 4,143.90 mi (6,668.96 km) |
| Allentown to Kostrzyn | 4,174.28 mi (6,717.86 km) |
| Allentown to Kostrzyn nad Odra | 4,073.37 mi (6,555.45 km) |
| Allentown to Koszalin | 4,077.05 mi (6,561.38 km) |
| Allentown to Kowary | 4,176.39 mi (6,721.24 km) |
| Allentown to Kozienice | 4,361.70 mi (7,019.48 km) |
| Allentown to Kozuchow | 4,135.54 mi (6,655.51 km) |
| Allentown to Kozy | 4,334.87 mi (6,976.30 km) |
| Allentown to Krakow | 4,357.51 mi (7,012.73 km) |
| Allentown to Krapkowice | 4,268.61 mi (6,869.67 km) |
| Allentown to Krasnik | 4,410.24 mi (7,097.59 km) |
| Allentown to Krasnystaw | 4,442.87 mi (7,150.11 km) |
| Allentown to Krosno | 4,439.57 mi (7,144.80 km) |
