| Porthcawl to Gonzalez (Florida) | 4,335.85 mi (6,977.87 km) |
| Porthcawl to Goodlettsville (Tennessee) | 4,032.28 mi (6,489.32 km) |
| Porthcawl to Goodyear (Arizona) | 5,167.37 mi (8,316.08 km) |
| Porthcawl to Goose Creek (South Carolina) | 3,914.79 mi (6,300.25 km) |
| Porthcawl to Goshen (Indiana) | 3,754.92 mi (6,042.96 km) |
| Porthcawl to Goulds (Florida) | 4,295.52 mi (6,912.97 km) |
| Porthcawl to Grafton (Wisconsin) | 3,758.73 mi (6,049.09 km) |
| Porthcawl to Graham (North Carolina) | 3,745.19 mi (6,027.30 km) |
| Porthcawl to Graham (Washington) | 4,720.74 mi (7,597.30 km) |
| Porthcawl to Grain Valley (Missouri) | 4,199.43 mi (6,758.33 km) |
| Porthcawl to Granbury (Texas) | 4,665.10 mi (7,507.76 km) |
| Porthcawl to Grand Forks (North Dakota) | 3,884.59 mi (6,251.65 km) |
| Porthcawl to Grand Haven (Michigan) | 3,703.97 mi (5,960.97 km) |
| Porthcawl to Grand Island (Nebraska) | 4,262.61 mi (6,860.02 km) |
| Porthcawl to Grand Junction (Colorado) | 4,721.43 mi (7,598.41 km) |
