| Portsmouth to Kamen | 382.57 mi (615.69 km) |
| Portsmouth to Kamenz | 659.44 mi (1,061.27 km) |
| Portsmouth to Kamp-Lintfort | 333.57 mi (536.83 km) |
| Portsmouth to Kandel | 429.42 mi (691.08 km) |
| Portsmouth to Kappeln | 531.56 mi (855.47 km) |
| Portsmouth to Karben | 434.44 mi (699.16 km) |
| Portsmouth to Karlsdorf-Neuthard | 442.90 mi (712.79 km) |
| Portsmouth to Karlsfeld | 590.07 mi (949.62 km) |
| Portsmouth to Karlsruhe | 439.84 mi (707.86 km) |
| Portsmouth to Kassel | 460.60 mi (741.27 km) |
| Portsmouth to Kaufbeuren | 563.80 mi (907.34 km) |
| Portsmouth to Kaufering | 568.93 mi (915.60 km) |
| Portsmouth to Kaufungen | 465.81 mi (749.65 km) |
| Portsmouth to Kehl | 426.69 mi (686.69 km) |
| Portsmouth to Kelheim | 590.72 mi (950.67 km) |
