| Ostend to Kayapinar | 2,021.97 mi (3,254.04 km) |
| Ostend to Kayseri | 1,790.46 mi (2,881.47 km) |
| Ostend to Kemalpasa | 1,479.25 mi (2,380.62 km) |
| Ostend to Kemer | 1,689.95 mi (2,719.71 km) |
| Ostend to Keskin | 1,671.18 mi (2,689.51 km) |
| Ostend to Kilimli | 1,520.97 mi (2,447.77 km) |
| Ostend to Kilis | 1,948.34 mi (3,135.55 km) |
| Ostend to Kinik | 1,445.72 mi (2,326.66 km) |
| Ostend to Kirikkale | 1,659.78 mi (2,671.15 km) |
| Ostend to Kirkagac | 1,456.69 mi (2,344.31 km) |
| Ostend to Kirklareli | 1,320.43 mi (2,125.02 km) |
| Ostend to Kirsehir | 1,716.83 mi (2,762.97 km) |
| Ostend to Kizilpinar | 1,370.58 mi (2,205.73 km) |
| Ostend to Kiziltepe | 2,071.53 mi (3,333.80 km) |
| Ostend to Kocaali | 1,497.81 mi (2,410.49 km) |
