| Porthcawl to Madison (New Jersey) | 3,330.41 mi (5,359.78 km) |
| Porthcawl to Madison (Wisconsin) | 3,824.65 mi (6,155.19 km) |
| Porthcawl to Madison Heights (Michigan) | 3,606.21 mi (5,803.64 km) |
| Porthcawl to Madison Heights (Virginia) | 3,669.78 mi (5,905.94 km) |
| Porthcawl to Madisonville (Kentucky) | 4,016.72 mi (6,464.29 km) |
| Porthcawl to Magalia (California) | 5,106.86 mi (8,218.70 km) |
| Porthcawl to Magna (Utah) | 4,754.52 mi (7,651.66 km) |
| Porthcawl to Magnolia (Arkansas) | 4,443.36 mi (7,150.89 km) |
| Porthcawl to Maili (Hawaii) | 7,168.02 mi (11,535.81 km) |
| Porthcawl to Maitland (Florida) | 4,184.35 mi (6,734.06 km) |
| Porthcawl to Makakilo (Hawaii) | 7,170.04 mi (11,539.06 km) |
| Porthcawl to Malden (Massachusetts) | 3,122.27 mi (5,024.82 km) |
| Porthcawl to Malibu (California) | 5,344.14 mi (8,600.56 km) |
| Porthcawl to Maltby (Washington) | 4,672.85 mi (7,520.23 km) |
| Porthcawl to Malvern (Arkansas) | 4,372.69 mi (7,037.16 km) |
