| Diest to Kastoria | 1,060.71 mi (1,707.05 km) |
| Diest to Katerini | 1,117.07 mi (1,797.75 km) |
| Diest to Keratsini | 1,276.37 mi (2,054.11 km) |
| Diest to Kerkyra | 1,062.96 mi (1,710.67 km) |
| Diest to Kiato | 1,244.46 mi (2,002.77 km) |
| Diest to Kifisia | 1,277.07 mi (2,055.24 km) |
| Diest to Kilkis | 1,094.62 mi (1,761.62 km) |
| Diest to Komotini | 1,185.40 mi (1,907.72 km) |
| Diest to Korinthos | 1,254.35 mi (2,018.68 km) |
| Diest to Koropi | 1,288.79 mi (2,074.11 km) |
| Diest to Korydallos | 1,276.63 mi (2,054.53 km) |
| Diest to Kos | 1,463.49 mi (2,355.26 km) |
| Diest to Kozani | 1,089.97 mi (1,754.14 km) |
| Diest to Lagos | 1,171.85 mi (1,885.92 km) |
| Diest to Lamia | 1,185.88 mi (1,908.49 km) |
