| Castricum to Joliet (Illinois) | 4,127.90 mi (6,643.22 km) |
| Castricum to Jonesboro (Arkansas) | 4,508.20 mi (7,255.25 km) |
| Castricum to Joplin (Missouri) | 4,583.66 mi (7,376.68 km) |
| Castricum to Joppatowne (Maryland) | 3,781.46 mi (6,085.67 km) |
| Castricum to Juana Díaz (Puerto Rico) | 4,447.29 mi (7,157.23 km) |
| Castricum to Junction City (Kansas) | 4,565.13 mi (7,346.87 km) |
| Castricum to Juneau (Alaska) | 4,427.75 mi (7,125.78 km) |
| Castricum to Jupiter (Florida) | 4,551.39 mi (7,324.75 km) |
| Castricum to Jupiter Farms (Florida) | 4,555.61 mi (7,331.54 km) |
| Castricum to Jurupa Valley (California) | 5,518.87 mi (8,881.76 km) |
| Castricum to Justice (Illinois) | 4,105.11 mi (6,606.54 km) |
| Castricum to Kahului (Hawaii) | 7,238.26 mi (11,648.86 km) |
| Castricum to Kailua (Hawaii) | 7,219.21 mi (11,618.20 km) |
| Castricum to Kalamazoo (Michigan) | 3,997.53 mi (6,433.40 km) |
| Castricum to Kalispell (Montana) | 4,608.44 mi (7,416.56 km) |
