| Portici to Karakocan | 1,363.34 mi (2,194.09 km) |
| Portici to Karakopru | 1,332.05 mi (2,143.73 km) |
| Portici to Karaman | 1,042.03 mi (1,676.99 km) |
| Portici to Karapinar | 1,047.46 mi (1,685.72 km) |
| Portici to Karatas | 1,168.96 mi (1,881.27 km) |
| Portici to Karatepe | 816.50 mi (1,314.02 km) |
| Portici to Karayilan | 1,209.47 mi (1,946.46 km) |
| Portici to Kargipinar | 1,116.50 mi (1,796.83 km) |
| Portici to Karkamis | 1,298.61 mi (2,089.92 km) |
| Portici to Karliova | 1,408.99 mi (2,267.56 km) |
| Portici to Kars | 1,499.17 mi (2,412.69 km) |
| Portici to Kartal | 775.10 mi (1,247.41 km) |
| Portici to Kas | 884.84 mi (1,424.01 km) |
| Portici to Kastamonu | 1,010.56 mi (1,626.34 km) |
| Portici to Kavak | 1,129.63 mi (1,817.97 km) |
