| Portsmouth to Krosno Odrzanskie | 701.12 mi (1,128.34 km) |
| Portsmouth to Krotoszyn | 801.18 mi (1,289.37 km) |
| Portsmouth to Kruszwica | 838.06 mi (1,348.72 km) |
| Portsmouth to Krynica | 977.79 mi (1,573.61 km) |
| Portsmouth to Krzeszowice | 909.42 mi (1,463.57 km) |
| Portsmouth to Kudowa-Zdroj | 758.20 mi (1,220.20 km) |
| Portsmouth to Kutno | 881.91 mi (1,419.29 km) |
| Portsmouth to Kwidzyn | 867.07 mi (1,395.42 km) |
| Portsmouth to Lancut | 1,023.29 mi (1,646.83 km) |
| Portsmouth to Lapy | 1,028.13 mi (1,654.61 km) |
| Portsmouth to Lask | 874.34 mi (1,407.11 km) |
| Portsmouth to Laziska Gorne | 875.13 mi (1,408.39 km) |
| Portsmouth to Lebork | 827.47 mi (1,331.68 km) |
| Portsmouth to Leczna | 1,037.02 mi (1,668.92 km) |
| Portsmouth to Leczyca | 875.30 mi (1,408.65 km) |
