| Castricum to Hormigueros (Puerto Rico) | 4,468.30 mi (7,191.03 km) |
| Castricum to Horn Lake (Mississippi) | 4,529.43 mi (7,289.41 km) |
| Castricum to Hot Springs (Arkansas) | 4,665.70 mi (7,508.72 km) |
| Castricum to Hot Springs Village (Arkansas) | 4,653.75 mi (7,489.49 km) |
| Castricum to Houma (Louisiana) | 4,835.03 mi (7,781.22 km) |
| Castricum to Houston (Texas) | 5,002.93 mi (8,051.44 km) |
| Castricum to Howard (Wisconsin) | 3,977.65 mi (6,401.41 km) |
| Castricum to Huber Heights (Ohio) | 4,059.35 mi (6,532.90 km) |
| Castricum to Hudson (Florida) | 4,581.61 mi (7,373.39 km) |
| Castricum to Hudson (Ohio) | 3,892.17 mi (6,263.84 km) |
| Castricum to Hudson (Wisconsin) | 4,119.91 mi (6,630.35 km) |
| Castricum to Hueytown (Alabama) | 4,492.29 mi (7,229.64 km) |
| Castricum to Hugo (Minnesota) | 4,117.63 mi (6,626.68 km) |
| Castricum to Humacao (Puerto Rico) | 4,413.36 mi (7,102.62 km) |
| Castricum to Humble (Texas) | 4,987.23 mi (8,026.17 km) |
