| Porthcawl to Germantown (Wisconsin) | 3,769.24 mi (6,066.00 km) |
| Porthcawl to Gibsonton (Florida) | 4,266.76 mi (6,866.69 km) |
| Porthcawl to Gig Harbor (Washington) | 4,712.47 mi (7,583.98 km) |
| Porthcawl to Gilbert (Arizona) | 5,142.91 mi (8,276.71 km) |
| Porthcawl to Gillette (Wyoming) | 4,348.65 mi (6,998.48 km) |
| Porthcawl to Gilroy (California) | 5,266.21 mi (8,475.14 km) |
| Porthcawl to Gladeview (Florida) | 4,275.08 mi (6,880.08 km) |
| Porthcawl to Gladstone (Missouri) | 4,203.34 mi (6,764.62 km) |
| Porthcawl to Gladstone (Oregon) | 4,821.68 mi (7,759.74 km) |
| Porthcawl to Glasgow (Delaware) | 3,435.14 mi (5,528.33 km) |
| Porthcawl to Glasgow (Kentucky) | 3,969.14 mi (6,387.72 km) |
| Porthcawl to Glassboro (New Jersey) | 3,404.49 mi (5,478.99 km) |
| Porthcawl to Glassmanor (Maryland) | 3,520.63 mi (5,665.91 km) |
| Porthcawl to Glen Allen (Virginia) | 3,592.77 mi (5,782.01 km) |
| Porthcawl to Glen Burnie (Maryland) | 3,490.17 mi (5,616.89 km) |
