| Delaware to Koscian | 4,454.72 mi (7,169.18 km) |
| Delaware to Koscielisko | 4,681.70 mi (7,534.46 km) |
| Delaware to Koscierzyna | 4,423.07 mi (7,118.25 km) |
| Delaware to Kostrzyn | 4,462.95 mi (7,182.42 km) |
| Delaware to Kostrzyn nad Odra | 4,365.45 mi (7,025.52 km) |
| Delaware to Koszalin | 4,358.87 mi (7,014.92 km) |
| Delaware to Kowary | 4,474.76 mi (7,201.43 km) |
| Delaware to Kozienice | 4,646.13 mi (7,477.22 km) |
| Delaware to Kozuchow | 4,429.97 mi (7,129.34 km) |
| Delaware to Kozy | 4,631.37 mi (7,453.47 km) |
| Delaware to Krakow | 4,651.69 mi (7,486.18 km) |
| Delaware to Krapkowice | 4,564.66 mi (7,346.11 km) |
| Delaware to Krasnik | 4,696.35 mi (7,558.04 km) |
| Delaware to Krasnystaw | 4,726.80 mi (7,607.05 km) |
| Delaware to Krosno | 4,731.90 mi (7,615.26 km) |
