| Rio Maior to Kamen | 1,162.73 mi (1,871.23 km) |
| Rio Maior to Kamenz | 1,380.55 mi (2,221.78 km) |
| Rio Maior to Kamp-Lintfort | 1,122.03 mi (1,805.74 km) |
| Rio Maior to Kandel | 1,079.15 mi (1,736.73 km) |
| Rio Maior to Kappeln | 1,373.69 mi (2,210.73 km) |
| Rio Maior to Karben | 1,143.98 mi (1,841.05 km) |
| Rio Maior to Karlsdorf-Neuthard | 1,094.29 mi (1,761.10 km) |
| Rio Maior to Karlsfeld | 1,183.00 mi (1,903.85 km) |
| Rio Maior to Karlsruhe | 1,084.30 mi (1,745.00 km) |
| Rio Maior to Kassel | 1,213.14 mi (1,952.35 km) |
| Rio Maior to Kaufbeuren | 1,137.93 mi (1,831.32 km) |
| Rio Maior to Kaufering | 1,154.68 mi (1,858.28 km) |
| Rio Maior to Kaufungen | 1,215.97 mi (1,956.92 km) |
| Rio Maior to Kehl | 1,045.53 mi (1,682.62 km) |
| Rio Maior to Kelheim | 1,219.62 mi (1,962.79 km) |
