| Castricum to Harrison (Wisconsin) | 4,002.90 mi (6,442.05 km) |
| Castricum to Harrisonburg (Virginia) | 3,926.69 mi (6,319.40 km) |
| Castricum to Hartford (Connecticut) | 3,529.86 mi (5,680.76 km) |
| Castricum to Hartford (Wisconsin) | 4,048.05 mi (6,514.71 km) |
| Castricum to Hartselle (Alabama) | 4,437.21 mi (7,141.00 km) |
| Castricum to Hartsville (Tennessee) | 4,308.35 mi (6,933.62 km) |
| Castricum to Harvey (Illinois) | 4,105.41 mi (6,607.03 km) |
| Castricum to Harvey (Louisiana) | 4,794.03 mi (7,715.24 km) |
| Castricum to Hasbrouck Heights (New Jersey) | 3,625.32 mi (5,834.39 km) |
| Castricum to Haslett (Michigan) | 3,931.08 mi (6,326.46 km) |
| Castricum to Hastings (Minnesota) | 4,135.58 mi (6,655.58 km) |
| Castricum to Hastings (Nebraska) | 4,536.06 mi (7,300.09 km) |
| Castricum to Hattiesburg (Mississippi) | 4,690.55 mi (7,548.70 km) |
| Castricum to Hauppauge (New York) | 3,593.18 mi (5,782.67 km) |
| Castricum to Havelock (North Carolina) | 4,018.93 mi (6,467.84 km) |
