| Porthcawl to Haverhill (Massachusetts) | 3,109.23 mi (5,003.83 km) |
| Porthcawl to Havre de Grace (Maryland) | 3,452.65 mi (5,556.51 km) |
| Porthcawl to Hawaiian Gardens (California) | 5,332.13 mi (8,581.23 km) |
| Porthcawl to Hawaiian Paradise Park (Hawaii) | 7,228.28 mi (11,632.80 km) |
| Porthcawl to Hawthorne (California) | 5,336.55 mi (8,588.34 km) |
| Porthcawl to Hawthorne (New Jersey) | 3,311.29 mi (5,329.01 km) |
| Porthcawl to Hayden (Idaho) | 4,524.36 mi (7,281.26 km) |
| Porthcawl to Hayesville (Oregon) | 4,855.34 mi (7,813.91 km) |
| Porthcawl to Hays (Kansas) | 4,399.16 mi (7,079.76 km) |
| Porthcawl to Haysville (Kansas) | 4,390.71 mi (7,066.17 km) |
| Porthcawl to Hayward (California) | 5,245.69 mi (8,442.12 km) |
| Porthcawl to Hazel Crest (Illinois) | 3,827.60 mi (6,159.93 km) |
| Porthcawl to Hazel Dell (Washington) | 4,806.93 mi (7,736.01 km) |
| Porthcawl to Hazel Park (Michigan) | 3,607.97 mi (5,806.47 km) |
| Porthcawl to Hazelwood (Missouri) | 4,062.26 mi (6,537.58 km) |
