| Portici to Kelkheim (Taunus) | 703.70 mi (1,132.49 km) |
| Portici to Kelsterbach | 697.39 mi (1,122.34 km) |
| Portici to Kemberg | 761.83 mi (1,226.04 km) |
| Portici to Kempen | 820.48 mi (1,320.43 km) |
| Portici to Kempten | 517.32 mi (832.55 km) |
| Portici to Kenzingen | 603.09 mi (970.58 km) |
| Portici to Kerpen | 784.99 mi (1,263.33 km) |
| Portici to Ketsch | 654.43 mi (1,053.20 km) |
| Portici to Kevelaer | 837.13 mi (1,347.22 km) |
| Portici to Kiel | 952.91 mi (1,533.56 km) |
| Portici to Kierspe | 782.52 mi (1,259.35 km) |
| Portici to Kirchhain | 737.96 mi (1,187.63 km) |
| Portici to Kirchheim bei Munchen | 523.96 mi (843.22 km) |
| Portici to Kirchheim unter Teck | 591.45 mi (951.85 km) |
| Portici to Kirchhundem | 770.58 mi (1,240.13 km) |
