| Kloten to Karditsa | 869.56 mi (1,399.43 km) |
| Kloten to Kastoria | 790.23 mi (1,271.75 km) |
| Kloten to Katerini | 850.60 mi (1,368.91 km) |
| Kloten to Keratsini | 1,002.80 mi (1,613.86 km) |
| Kloten to Kerkyra | 782.65 mi (1,259.55 km) |
| Kloten to Kiato | 967.95 mi (1,557.77 km) |
| Kloten to Kifisia | 1,004.74 mi (1,616.98 km) |
| Kloten to Kilkis | 834.64 mi (1,343.22 km) |
| Kloten to Komotini | 938.51 mi (1,510.39 km) |
| Kloten to Korinthos | 978.19 mi (1,574.24 km) |
| Kloten to Koropi | 1,015.90 mi (1,634.93 km) |
| Kloten to Korydallos | 1,003.26 mi (1,614.58 km) |
| Kloten to Kos | 1,198.51 mi (1,928.81 km) |
| Kloten to Kozani | 820.51 mi (1,320.49 km) |
| Kloten to Lagos | 922.84 mi (1,485.16 km) |
