| Porthcawl to Glen Carbon (Illinois) | 4,047.95 mi (6,514.54 km) |
| Porthcawl to Glen Cove (New York) | 3,293.10 mi (5,299.73 km) |
| Porthcawl to Glen Ellyn (Illinois) | 3,828.74 mi (6,161.75 km) |
| Porthcawl to Glen Rock (New Jersey) | 3,309.83 mi (5,326.65 km) |
| Porthcawl to Glendale (Arizona) | 5,145.38 mi (8,280.70 km) |
| Porthcawl to Glendale (California) | 5,318.17 mi (8,558.76 km) |
| Porthcawl to Glendale (Wisconsin) | 3,766.53 mi (6,061.65 km) |
| Porthcawl to Glendale Heights (Illinois) | 3,826.93 mi (6,158.85 km) |
| Porthcawl to Glendora (California) | 5,306.92 mi (8,540.66 km) |
| Porthcawl to Glenmont (Maryland) | 3,512.13 mi (5,652.22 km) |
| Porthcawl to Glenn Dale (Maryland) | 3,505.92 mi (5,642.23 km) |
| Porthcawl to Glenn Heights (Texas) | 4,623.88 mi (7,441.42 km) |
| Porthcawl to Glenpool (Oklahoma) | 4,419.44 mi (7,112.41 km) |
| Porthcawl to Glens Falls (New York) | 3,192.86 mi (5,138.41 km) |
| Porthcawl to Glenvar Heights (Florida) | 4,285.00 mi (6,896.04 km) |
