| Porthcawl to Hermiston (Oregon) | 4,702.00 mi (7,567.14 km) |
| Porthcawl to Hermitage (Pennsylvania) | 3,555.81 mi (5,722.52 km) |
| Porthcawl to Hermosa Beach (California) | 5,340.95 mi (8,595.42 km) |
| Porthcawl to Hernando (Mississippi) | 4,236.23 mi (6,817.55 km) |
| Porthcawl to Herndon (Virginia) | 3,530.57 mi (5,681.91 km) |
| Porthcawl to Herriman (Utah) | 4,764.40 mi (7,667.55 km) |
| Porthcawl to Herrin (Illinois) | 4,055.91 mi (6,527.35 km) |
| Porthcawl to Hershey (Pennsylvania) | 3,442.69 mi (5,540.48 km) |
| Porthcawl to Hesperia (California) | 5,274.99 mi (8,489.27 km) |
| Porthcawl to Hewitt (Texas) | 4,693.46 mi (7,553.40 km) |
| Porthcawl to Hialeah (Florida) | 4,276.46 mi (6,882.30 km) |
| Porthcawl to Hialeah Gardens (Florida) | 4,277.78 mi (6,884.43 km) |
| Porthcawl to Hibbing (Minnesota) | 3,762.43 mi (6,055.04 km) |
| Porthcawl to Hickory (North Carolina) | 3,840.08 mi (6,180.01 km) |
| Porthcawl to Hickory Hills (Illinois) | 3,826.07 mi (6,157.47 km) |
