| Porthcawl to Hanahan (South Carolina) | 3,917.65 mi (6,304.85 km) |
| Porthcawl to Hanford (California) | 5,243.38 mi (8,438.40 km) |
| Porthcawl to Hannibal (Missouri) | 4,057.89 mi (6,530.54 km) |
| Porthcawl to Hanover (Pennsylvania) | 3,476.96 mi (5,595.63 km) |
| Porthcawl to Hanover Park (Illinois) | 3,826.66 mi (6,158.41 km) |
| Porthcawl to Happy Valley (Oregon) | 4,816.50 mi (7,751.40 km) |
| Porthcawl to Harker Heights (Texas) | 4,731.47 mi (7,614.56 km) |
| Porthcawl to Harlingen (Texas) | 4,986.15 mi (8,024.43 km) |
| Porthcawl to Harper Woods (Michigan) | 3,602.32 mi (5,797.38 km) |
| Porthcawl to Harrisburg (North Carolina) | 3,832.17 mi (6,167.28 km) |
| Porthcawl to Harrisburg (Pennsylvania) | 3,452.72 mi (5,556.61 km) |
| Porthcawl to Harrison (Arkansas) | 4,292.33 mi (6,907.83 km) |
| Porthcawl to Harrison (New Jersey) | 3,320.18 mi (5,343.31 km) |
| Porthcawl to Harrison (New York) | 3,290.40 mi (5,295.38 km) |
| Porthcawl to Harrison (Ohio) | 3,818.63 mi (6,145.48 km) |
