| Brussels to Kastoria | 1,079.85 mi (1,737.84 km) |
| Brussels to Katerini | 1,137.04 mi (1,829.89 km) |
| Brussels to Keratsini | 1,295.04 mi (2,084.17 km) |
| Brussels to Kerkyra | 1,079.75 mi (1,737.70 km) |
| Brussels to Kiato | 1,262.41 mi (2,031.65 km) |
| Brussels to Kifisia | 1,296.02 mi (2,085.74 km) |
| Brussels to Kilkis | 1,115.66 mi (1,795.49 km) |
| Brussels to Komotini | 1,208.41 mi (1,944.74 km) |
| Brussels to Korinthos | 1,272.39 mi (2,047.72 km) |
| Brussels to Koropi | 1,307.63 mi (2,104.42 km) |
| Brussels to Korydallos | 1,295.34 mi (2,084.66 km) |
| Brussels to Kos | 1,484.03 mi (2,388.31 km) |
| Brussels to Kozani | 1,109.34 mi (1,785.32 km) |
| Brussels to Lagos | 1,194.57 mi (1,922.47 km) |
| Brussels to Lamia | 1,204.40 mi (1,938.29 km) |
