| Risca to Hormigueros (Puerto Rico) | 4,134.11 mi (6,653.20 km) |
| Risca to Horn Lake (Mississippi) | 4,254.39 mi (6,846.78 km) |
| Risca to Hot Springs (Arkansas) | 4,396.34 mi (7,075.22 km) |
| Risca to Hot Springs Village (Arkansas) | 4,384.62 mi (7,056.37 km) |
| Risca to Houma (Louisiana) | 4,548.69 mi (7,320.42 km) |
| Risca to Houston (Texas) | 4,727.60 mi (7,608.33 km) |
| Risca to Howard (Wisconsin) | 3,727.10 mi (5,998.19 km) |
| Risca to Huber Heights (Ohio) | 3,784.89 mi (6,091.20 km) |
| Risca to Hudson (Florida) | 4,277.08 mi (6,883.29 km) |
| Risca to Hudson (Ohio) | 3,616.31 mi (5,819.89 km) |
| Risca to Hudson (Wisconsin) | 3,881.47 mi (6,246.62 km) |
| Risca to Hueytown (Alabama) | 4,206.90 mi (6,770.35 km) |
| Risca to Hugo (Minnesota) | 3,880.45 mi (6,244.98 km) |
| Risca to Humacao (Puerto Rico) | 4,078.66 mi (6,563.96 km) |
| Risca to Humble (Texas) | 4,712.08 mi (7,583.36 km) |
