| Porthcawl to Grovetown (Georgia) | 3,985.02 mi (6,413.26 km) |
| Porthcawl to Guayama (Puerto Rico) | 4,073.43 mi (6,555.55 km) |
| Porthcawl to Guaynabo (Puerto Rico) | 4,051.97 mi (6,521.02 km) |
| Porthcawl to Gulf Shores (Alabama) | 4,368.06 mi (7,029.71 km) |
| Porthcawl to Gulfport (Florida) | 4,284.87 mi (6,895.83 km) |
| Porthcawl to Gulfport (Mississippi) | 4,417.04 mi (7,108.54 km) |
| Porthcawl to Gunbarrel (Colorado) | 4,551.66 mi (7,325.18 km) |
| Porthcawl to Gurnee (Illinois) | 3,801.09 mi (6,117.27 km) |
| Porthcawl to Guthrie (Oklahoma) | 4,480.02 mi (7,209.89 km) |
| Porthcawl to Guttenberg (New Jersey) | 3,311.95 mi (5,330.07 km) |
| Porthcawl to Guymon (Oklahoma) | 4,590.15 mi (7,387.14 km) |
| Porthcawl to Hacienda Heights (California) | 5,319.43 mi (8,560.79 km) |
| Porthcawl to Hackensack (New Jersey) | 3,309.58 mi (5,326.25 km) |
| Porthcawl to Hackettstown (New Jersey) | 3,343.22 mi (5,380.39 km) |
| Porthcawl to Hagerstown (Maryland) | 3,514.82 mi (5,656.55 km) |
