| Porthcawl to Middletown (Ohio) | 3,790.57 mi (6,100.34 km) |
| Porthcawl to Midland (Michigan) | 3,601.83 mi (5,796.59 km) |
| Porthcawl to Midland (Texas) | 4,855.45 mi (7,814.09 km) |
| Porthcawl to Midlothian (Illinois) | 3,826.57 mi (6,158.26 km) |
| Porthcawl to Midlothian (Texas) | 4,633.43 mi (7,456.78 km) |
| Porthcawl to Midlothian (Virginia) | 3,607.89 mi (5,806.34 km) |
| Porthcawl to Midvale (Utah) | 4,753.59 mi (7,650.16 km) |
| Porthcawl to Midway (Florida) | 4,332.95 mi (6,973.21 km) |
| Porthcawl to Midwest City (Oklahoma) | 4,496.56 mi (7,236.52 km) |
| Porthcawl to Milford (Delaware) | 3,451.95 mi (5,555.37 km) |
| Porthcawl to Milford city (Connecticut) | 3,254.78 mi (5,238.06 km) |
| Porthcawl to Milford Mill (Maryland) | 3,488.49 mi (5,614.18 km) |
| Porthcawl to Mililani Mauka (Hawaii) | 7,160.76 mi (11,524.13 km) |
| Porthcawl to Mililani Town (Hawaii) | 7,163.04 mi (11,527.81 km) |
| Porthcawl to Mill Creek (Washington) | 4,672.22 mi (7,519.21 km) |
