| Castricum to Kerkrade | 130.84 mi (210.56 km) |
| Castricum to Klazienaveen | 97.94 mi (157.62 km) |
| Castricum to Koog aan de Zaan | 8.03 mi (12.93 km) |
| Castricum to Krimpen aan den IJssel | 43.90 mi (70.65 km) |
| Castricum to Krommenie | 5.44 mi (8.76 km) |
| Castricum to Kudelstaart | 22.11 mi (35.58 km) |
| Castricum to Landgraaf | 127.54 mi (205.26 km) |
| Castricum to Landsmeer | 13.25 mi (21.33 km) |
| Castricum to Langedijk | 11.28 mi (18.15 km) |
| Castricum to Laren | 31.63 mi (50.90 km) |
| Castricum to Leek | 83.33 mi (134.10 km) |
| Castricum to Leerdam | 48.51 mi (78.07 km) |
| Castricum to Leeuwarden | 64.69 mi (104.11 km) |
| Castricum to Leiden | 27.96 mi (45.00 km) |
| Castricum to Leiderdorp | 27.08 mi (43.57 km) |
