| Leiden to Karditsa | 1,213.21 mi (1,952.47 km) |
| Leiden to Kastoria | 1,129.49 mi (1,817.74 km) |
| Leiden to Katerini | 1,184.12 mi (1,905.66 km) |
| Leiden to Keratsini | 1,345.73 mi (2,165.74 km) |
| Leiden to Kerkyra | 1,135.77 mi (1,827.85 km) |
| Leiden to Kiato | 1,315.15 mi (2,116.53 km) |
| Leiden to Kifisia | 1,345.91 mi (2,166.03 km) |
| Leiden to Kilkis | 1,159.42 mi (1,865.90 km) |
| Leiden to Komotini | 1,245.25 mi (2,004.03 km) |
| Leiden to Korinthos | 1,324.86 mi (2,132.16 km) |
| Leiden to Koropi | 1,357.85 mi (2,185.24 km) |
| Leiden to Korydallos | 1,345.91 mi (2,166.03 km) |
| Leiden to Kos | 1,528.92 mi (2,460.56 km) |
| Leiden to Kozani | 1,158.25 mi (1,864.02 km) |
| Leiden to Lagos | 1,232.49 mi (1,983.50 km) |
