| Porthcawl to Manor (Texas) | 4,762.73 mi (7,664.87 km) |
| Porthcawl to Manorville (New York) | 3,259.00 mi (5,244.86 km) |
| Porthcawl to Mansfield (Ohio) | 3,660.08 mi (5,890.34 km) |
| Porthcawl to Mansfield (Texas) | 4,633.43 mi (7,456.78 km) |
| Porthcawl to Manteca (California) | 5,210.21 mi (8,385.03 km) |
| Porthcawl to Manville (New Jersey) | 3,346.75 mi (5,386.07 km) |
| Porthcawl to Maple Grove (Minnesota) | 3,884.31 mi (6,251.20 km) |
| Porthcawl to Maple Heights (Ohio) | 3,593.00 mi (5,782.38 km) |
| Porthcawl to Maple Valley (Washington) | 4,695.32 mi (7,556.38 km) |
| Porthcawl to Mapleton (Utah) | 4,769.43 mi (7,675.65 km) |
| Porthcawl to Maplewood (Minnesota) | 3,873.98 mi (6,234.57 km) |
| Porthcawl to Marana (Arizona) | 5,169.47 mi (8,319.46 km) |
| Porthcawl to Marco Island (Florida) | 4,332.76 mi (6,972.90 km) |
| Porthcawl to Margate (Florida) | 4,253.60 mi (6,845.50 km) |
| Porthcawl to Maricopa (Arizona) | 5,166.64 mi (8,314.90 km) |
