| Porthcawl to Hormigueros (Puerto Rico) | 4,107.30 mi (6,610.06 km) |
| Porthcawl to Horn Lake (Mississippi) | 4,233.62 mi (6,813.36 km) |
| Porthcawl to Hot Springs (Arkansas) | 4,376.07 mi (7,042.61 km) |
| Porthcawl to Hot Springs Village (Arkansas) | 4,364.38 mi (7,023.79 km) |
| Porthcawl to Houma (Louisiana) | 4,526.83 mi (7,285.22 km) |
| Porthcawl to Houston (Texas) | 4,706.73 mi (7,574.75 km) |
| Porthcawl to Howard (Wisconsin) | 3,708.69 mi (5,968.57 km) |
| Porthcawl to Huber Heights (Ohio) | 3,764.25 mi (6,057.98 km) |
| Porthcawl to Hudson (Florida) | 4,253.49 mi (6,845.33 km) |
| Porthcawl to Hudson (Ohio) | 3,595.57 mi (5,786.51 km) |
| Porthcawl to Hudson (Wisconsin) | 3,864.13 mi (6,218.72 km) |
| Porthcawl to Hueytown (Alabama) | 4,185.17 mi (6,735.37 km) |
| Porthcawl to Hugo (Minnesota) | 3,863.23 mi (6,217.26 km) |
| Porthcawl to Humacao (Puerto Rico) | 4,051.76 mi (6,520.68 km) |
| Porthcawl to Humble (Texas) | 4,691.23 mi (7,549.81 km) |
