| Porthcawl to Greenfield (Indiana) | 3,833.49 mi (6,169.40 km) |
| Porthcawl to Greenfield (Wisconsin) | 3,776.99 mi (6,078.48 km) |
| Porthcawl to Greenlawn (New York) | 3,282.50 mi (5,282.67 km) |
| Porthcawl to Greensboro (North Carolina) | 3,761.67 mi (6,053.82 km) |
| Porthcawl to Greensburg (Indiana) | 3,842.97 mi (6,184.66 km) |
| Porthcawl to Greensburg (Pennsylvania) | 3,559.80 mi (5,728.95 km) |
| Porthcawl to Greentree (New Jersey) | 3,389.74 mi (5,455.25 km) |
| Porthcawl to Greenville (Mississippi) | 4,350.79 mi (7,001.92 km) |
| Porthcawl to Greenville (North Carolina) | 3,682.60 mi (5,926.57 km) |
| Porthcawl to Greenville (Ohio) | 3,773.44 mi (6,072.76 km) |
| Porthcawl to Greenville (South Carolina) | 3,925.72 mi (6,317.84 km) |
| Porthcawl to Greenville (Texas) | 4,566.07 mi (7,348.38 km) |
| Porthcawl to Greenwood (Indiana) | 3,855.54 mi (6,204.90 km) |
| Porthcawl to Greenwood (Mississippi) | 4,310.11 mi (6,936.45 km) |
| Porthcawl to Greenwood (South Carolina) | 3,947.35 mi (6,352.64 km) |
