| Ostend to Kocaeli | 1,471.82 mi (2,368.67 km) |
| Ostend to Konak | 1,468.63 mi (2,363.53 km) |
| Ostend to Konakli | 1,743.03 mi (2,805.14 km) |
| Ostend to Konya | 1,705.98 mi (2,745.50 km) |
| Ostend to Koprukoy | 2,008.03 mi (3,231.61 km) |
| Ostend to Korfez | 1,463.39 mi (2,355.10 km) |
| Ostend to Korkut | 2,055.39 mi (3,307.83 km) |
| Ostend to Kose | 1,903.47 mi (3,063.33 km) |
| Ostend to Kovancilar | 1,974.59 mi (3,177.79 km) |
| Ostend to Koyulhisar | 1,821.99 mi (2,932.21 km) |
| Ostend to Kozan | 1,860.43 mi (2,994.07 km) |
| Ostend to Kozlu | 1,519.53 mi (2,445.45 km) |
| Ostend to Kozluk | 2,066.13 mi (3,325.12 km) |
| Ostend to Kucuk Dalyan | 1,932.65 mi (3,110.29 km) |
| Ostend to Kucukcekmece | 1,415.95 mi (2,278.76 km) |
