| Cities | Distance |
|---|---|
| Portici to Kamen | 809.01 mi (1,301.98 km) |
| Portici to Kamenz | 721.91 mi (1,161.80 km) |
| Portici to Kamp-Lintfort | 826.04 mi (1,329.38 km) |
| Portici to Kandel | 644.59 mi (1,037.37 km) |
| Portici to Kappeln | 977.58 mi (1,573.27 km) |
| Portici to Karben | 703.57 mi (1,132.29 km) |
| Portici to Karlsdorf-Neuthard | 640.22 mi (1,030.33 km) |
| Portici to Karlsfeld | 530.23 mi (853.33 km) |
| Portici to Karlsruhe | 635.57 mi (1,022.86 km) |
| Portici to Kassel | 761.04 mi (1,224.77 km) |
| Portici to Kaufbeuren | 521.11 mi (838.64 km) |
| Portici to Kaufering | 529.90 mi (852.80 km) |
| Portici to Kaufungen | 757.05 mi (1,218.35 km) |
| Portici to Kehl | 623.32 mi (1,003.14 km) |
| Portici to Kelheim | 572.33 mi (921.08 km) |