| Portsmouth to Karis | 1,151.51 mi (1,853.18 km) |
| Portsmouth to Karkkila | 1,181.46 mi (1,901.37 km) |
| Portsmouth to Kauhajoki | 1,182.76 mi (1,903.47 km) |
| Portsmouth to Kauhava | 1,231.08 mi (1,981.24 km) |
| Portsmouth to Kauniainen | 1,189.43 mi (1,914.20 km) |
| Portsmouth to Kemi | 1,370.78 mi (2,206.05 km) |
| Portsmouth to Kemijarvi | 1,475.12 mi (2,373.98 km) |
| Portsmouth to Kempele | 1,360.89 mi (2,190.14 km) |
| Portsmouth to Kerava | 1,205.75 mi (1,940.47 km) |
| Portsmouth to Keuruu | 1,247.25 mi (2,007.26 km) |
| Portsmouth to Kiiminki | 1,375.72 mi (2,214.01 km) |
| Portsmouth to Kirkkonummi | 1,176.76 mi (1,893.82 km) |
| Portsmouth to Kitee | 1,403.50 mi (2,258.71 km) |
| Portsmouth to Kiuruvesi | 1,345.17 mi (2,164.84 km) |
| Portsmouth to Kivisto | 1,195.72 mi (1,924.32 km) |
