| Portsmouth to Kluczbork | 838.96 mi (1,350.17 km) |
| Portsmouth to Knurow | 867.04 mi (1,395.37 km) |
| Portsmouth to Kobylka | 959.09 mi (1,543.50 km) |
| Portsmouth to Kokoszki | 854.59 mi (1,375.33 km) |
| Portsmouth to Kolbuszowa | 1,000.54 mi (1,610.21 km) |
| Portsmouth to Kolno | 988.81 mi (1,591.33 km) |
| Portsmouth to Kolo | 850.93 mi (1,369.44 km) |
| Portsmouth to Kolobrzeg | 736.63 mi (1,185.49 km) |
| Portsmouth to Koluszki | 902.01 mi (1,451.65 km) |
| Portsmouth to Komorniki | 769.09 mi (1,237.74 km) |
| Portsmouth to Konin | 835.39 mi (1,344.43 km) |
| Portsmouth to Konskie | 932.03 mi (1,499.96 km) |
| Portsmouth to Konstancin-Jeziorna | 956.48 mi (1,539.30 km) |
| Portsmouth to Konstantynow Lodzki | 882.10 mi (1,419.60 km) |
| Portsmouth to Koronowo | 823.76 mi (1,325.72 km) |
