| Castricum to Myrtle Grove (North Carolina) | 4,096.90 mi (6,593.33 km) |
| Castricum to Nacogdoches (Texas) | 4,877.47 mi (7,849.53 km) |
| Castricum to Nampa (Idaho) | 4,933.30 mi (7,939.38 km) |
| Castricum to Nanakuli (Hawaii) | 7,224.30 mi (11,626.38 km) |
| Castricum to Nanticoke (Pennsylvania) | 3,685.14 mi (5,930.66 km) |
| Castricum to Nanuet (New York) | 3,612.38 mi (5,813.57 km) |
| Castricum to Napa (California) | 5,400.95 mi (8,692.00 km) |
| Castricum to Naperville (Illinois) | 4,117.23 mi (6,626.04 km) |
| Castricum to Naples (Florida) | 4,659.92 mi (7,499.42 km) |
| Castricum to Naranja (Florida) | 4,636.86 mi (7,462.31 km) |
| Castricum to Nashua (New Hampshire) | 3,439.53 mi (5,535.39 km) |
| Castricum to Nashville (Tennessee) | 4,343.39 mi (6,990.01 km) |
| Castricum to Natchez (Mississippi) | 4,757.67 mi (7,656.73 km) |
| Castricum to Natchitoches (Louisiana) | 4,812.72 mi (7,745.32 km) |
| Castricum to National City (California) | 5,586.25 mi (8,990.21 km) |
