| Porthcawl to Alum Rock (California) | 5,252.87 mi (8,453.67 km) |
| Porthcawl to Alvin (Texas) | 4,723.37 mi (7,601.52 km) |
| Porthcawl to Amarillo (Texas) | 4,679.98 mi (7,531.69 km) |
| Porthcawl to Amelia (Ohio) | 3,806.55 mi (6,126.05 km) |
| Porthcawl to American Canyon (California) | 5,220.11 mi (8,400.95 km) |
| Porthcawl to American Fork (Utah) | 4,762.97 mi (7,665.26 km) |
| Porthcawl to Americus (Georgia) | 4,135.35 mi (6,655.20 km) |
| Porthcawl to Ames (Iowa) | 4,033.44 mi (6,491.19 km) |
| Porthcawl to Amherst (Ohio) | 3,620.02 mi (5,825.86 km) |
| Porthcawl to Ammon (Idaho) | 4,603.76 mi (7,409.03 km) |
| Porthcawl to Amsterdam (New York) | 3,230.07 mi (5,198.30 km) |
| Porthcawl to Anacortes (Washington) | 4,649.00 mi (7,481.85 km) |
| Porthcawl to Anaheim (California) | 5,324.45 mi (8,568.87 km) |
| Porthcawl to Anchorage (Alaska) | 4,424.13 mi (7,119.94 km) |
| Porthcawl to Anderson (California) | 5,092.04 mi (8,194.85 km) |
