| Castricum to Kucukkuyu | 1,373.86 mi (2,211.01 km) |
| Castricum to Kulp | 1,979.91 mi (3,186.37 km) |
| Castricum to Kulu | 1,637.40 mi (2,635.14 km) |
| Castricum to Kumcati | 2,080.37 mi (3,348.02 km) |
| Castricum to Kursunlu | 1,562.74 mi (2,514.98 km) |
| Castricum to Kurtalan | 2,034.27 mi (3,273.84 km) |
| Castricum to Kusadasi | 1,484.96 mi (2,389.81 km) |
| Castricum to Kutahya | 1,503.66 mi (2,419.90 km) |
| Castricum to Kuzuculu | 1,866.61 mi (3,004.01 km) |
| Castricum to Lapseki | 1,335.96 mi (2,150.02 km) |
| Castricum to Lice | 1,967.59 mi (3,166.54 km) |
| Castricum to Luleburgaz | 1,308.80 mi (2,106.32 km) |
| Castricum to Macka | 1,820.51 mi (2,929.82 km) |
| Castricum to Malatya | 1,878.44 mi (3,023.05 km) |
| Castricum to Malkara | 1,316.79 mi (2,119.17 km) |
