| Portsmouth to Koscian | 766.97 mi (1,234.32 km) |
| Portsmouth to Koscielisko | 933.22 mi (1,501.88 km) |
| Portsmouth to Koscierzyna | 831.89 mi (1,338.80 km) |
| Portsmouth to Kostrzyn | 791.23 mi (1,273.36 km) |
| Portsmouth to Kostrzyn nad Odra | 684.37 mi (1,101.39 km) |
| Portsmouth to Koszalin | 761.02 mi (1,224.75 km) |
| Portsmouth to Kowary | 737.30 mi (1,186.58 km) |
| Portsmouth to Kozienice | 978.43 mi (1,574.63 km) |
| Portsmouth to Kozuchow | 722.58 mi (1,162.89 km) |
| Portsmouth to Kozy | 892.03 mi (1,435.58 km) |
| Portsmouth to Krakow | 923.59 mi (1,486.38 km) |
| Portsmouth to Krapkowice | 832.99 mi (1,340.57 km) |
| Portsmouth to Krasnik | 1,012.11 mi (1,628.84 km) |
| Portsmouth to Krasnystaw | 1,053.00 mi (1,694.64 km) |
| Portsmouth to Krosno | 1,008.02 mi (1,622.25 km) |
