| Portland to Kamen | 5,104.35 mi (8,214.65 km) |
| Portland to Kamenz | 5,269.06 mi (8,479.73 km) |
| Portland to Kamp-Lintfort | 5,082.30 mi (8,179.17 km) |
| Portland to Kandel | 5,261.99 mi (8,468.35 km) |
| Portland to Kappeln | 4,978.66 mi (8,012.38 km) |
| Portland to Karben | 5,209.22 mi (8,383.44 km) |
| Portland to Karlsdorf-Neuthard | 5,267.38 mi (8,477.02 km) |
| Portland to Karlsfeld | 5,391.77 mi (8,677.22 km) |
| Portland to Karlsruhe | 5,271.32 mi (8,483.36 km) |
| Portland to Kassel | 5,163.47 mi (8,309.81 km) |
| Portland to Kaufbeuren | 5,391.49 mi (8,676.77 km) |
| Portland to Kaufering | 5,385.77 mi (8,667.56 km) |
| Portland to Kaufungen | 5,168.30 mi (8,317.57 km) |
| Portland to Kehl | 5,282.34 mi (8,501.10 km) |
| Portland to Kelheim | 5,359.63 mi (8,625.49 km) |
