| Castricum to Karakocan | 1,919.82 mi (3,089.65 km) |
| Castricum to Karakopru | 1,952.25 mi (3,141.85 km) |
| Castricum to Karaman | 1,736.50 mi (2,794.62 km) |
| Castricum to Karapinar | 1,722.47 mi (2,772.05 km) |
| Castricum to Karatas | 1,849.70 mi (2,976.80 km) |
| Castricum to Karatepe | 1,439.52 mi (2,316.68 km) |
| Castricum to Karayilan | 1,874.83 mi (3,017.25 km) |
| Castricum to Kargipinar | 1,807.76 mi (2,909.30 km) |
| Castricum to Karkamis | 1,937.92 mi (3,118.77 km) |
| Castricum to Karliova | 1,944.07 mi (3,128.67 km) |
| Castricum to Kars | 1,972.98 mi (3,175.20 km) |
| Castricum to Kartal | 1,402.63 mi (2,257.31 km) |
| Castricum to Kas | 1,656.72 mi (2,666.23 km) |
| Castricum to Kastamonu | 1,559.44 mi (2,509.67 km) |
| Castricum to Kavak | 1,663.69 mi (2,677.46 km) |
