| Gelsenkirchen to Kastoria | 1,016.10 mi (1,635.26 km) |
| Gelsenkirchen to Katerini | 1,069.37 mi (1,720.99 km) |
| Gelsenkirchen to Keratsini | 1,232.54 mi (1,983.58 km) |
| Gelsenkirchen to Kerkyra | 1,026.29 mi (1,651.65 km) |
| Gelsenkirchen to Kiato | 1,203.18 mi (1,936.32 km) |
| Gelsenkirchen to Kifisia | 1,232.30 mi (1,983.20 km) |
| Gelsenkirchen to Kilkis | 1,043.29 mi (1,679.01 km) |
| Gelsenkirchen to Komotini | 1,126.86 mi (1,813.51 km) |
| Gelsenkirchen to Korinthos | 1,212.71 mi (1,951.67 km) |
| Gelsenkirchen to Koropi | 1,244.39 mi (2,002.66 km) |
| Gelsenkirchen to Korydallos | 1,232.65 mi (1,983.76 km) |
| Gelsenkirchen to Kos | 1,412.85 mi (2,273.76 km) |
| Gelsenkirchen to Kozani | 1,044.43 mi (1,680.85 km) |
| Gelsenkirchen to Lagos | 1,114.38 mi (1,793.43 km) |
| Gelsenkirchen to Lamia | 1,142.90 mi (1,839.32 km) |
