| Gladbeck to Kastoria | 1,022.66 mi (1,645.80 km) |
| Gladbeck to Katerini | 1,075.97 mi (1,731.61 km) |
| Gladbeck to Keratsini | 1,239.08 mi (1,994.11 km) |
| Gladbeck to Kerkyra | 1,032.68 mi (1,661.94 km) |
| Gladbeck to Kiato | 1,209.68 mi (1,946.79 km) |
| Gladbeck to Kifisia | 1,238.87 mi (1,993.76 km) |
| Gladbeck to Kilkis | 1,049.93 mi (1,689.69 km) |
| Gladbeck to Komotini | 1,133.55 mi (1,824.27 km) |
| Gladbeck to Korinthos | 1,219.22 mi (1,962.15 km) |
| Gladbeck to Koropi | 1,250.95 mi (2,013.21 km) |
| Gladbeck to Korydallos | 1,239.20 mi (1,994.30 km) |
| Gladbeck to Kos | 1,419.49 mi (2,284.45 km) |
| Gladbeck to Kozani | 1,051.00 mi (1,691.41 km) |
| Gladbeck to Lagos | 1,121.07 mi (1,804.19 km) |
| Gladbeck to Lamia | 1,149.43 mi (1,849.83 km) |
