| Opwijk to Kastoria | 1,090.63 mi (1,755.20 km) |
| Opwijk to Katerini | 1,147.74 mi (1,847.11 km) |
| Opwijk to Keratsini | 1,305.88 mi (2,101.60 km) |
| Opwijk to Kerkyra | 1,090.73 mi (1,755.36 km) |
| Opwijk to Kiato | 1,273.31 mi (2,049.19 km) |
| Opwijk to Kifisia | 1,306.83 mi (2,103.13 km) |
| Opwijk to Kilkis | 1,126.22 mi (1,812.48 km) |
| Opwijk to Komotini | 1,218.64 mi (1,961.22 km) |
| Opwijk to Korinthos | 1,283.28 mi (2,065.24 km) |
| Opwijk to Koropi | 1,318.45 mi (2,121.84 km) |
| Opwijk to Korydallos | 1,306.18 mi (2,102.09 km) |
| Opwijk to Kos | 1,494.66 mi (2,405.43 km) |
| Opwijk to Kozani | 1,120.11 mi (1,802.64 km) |
| Opwijk to Lagos | 1,204.86 mi (1,939.04 km) |
| Opwijk to Lamia | 1,215.24 mi (1,955.75 km) |
