| Zaventem to Kastoria | 1,077.22 mi (1,733.61 km) |
| Zaventem to Katerini | 1,134.25 mi (1,825.41 km) |
| Zaventem to Keratsini | 1,292.51 mi (2,080.09 km) |
| Zaventem to Kerkyra | 1,077.57 mi (1,734.18 km) |
| Zaventem to Kiato | 1,260.02 mi (2,027.80 km) |
| Zaventem to Kifisia | 1,293.43 mi (2,081.58 km) |
| Zaventem to Kilkis | 1,112.67 mi (1,790.66 km) |
| Zaventem to Komotini | 1,205.02 mi (1,939.30 km) |
| Zaventem to Korinthos | 1,269.98 mi (2,043.83 km) |
| Zaventem to Koropi | 1,305.06 mi (2,100.30 km) |
| Zaventem to Korydallos | 1,292.80 mi (2,080.57 km) |
| Zaventem to Kos | 1,481.14 mi (2,383.66 km) |
| Zaventem to Kozani | 1,106.67 mi (1,781.01 km) |
| Zaventem to Lagos | 1,191.25 mi (1,917.12 km) |
| Zaventem to Lamia | 1,201.89 mi (1,934.26 km) |
