| Porthcawl to Miami Lakes (Florida) | 4,275.03 mi (6,879.99 km) |
| Porthcawl to Miami Shores (Florida) | 4,271.18 mi (6,873.80 km) |
| Porthcawl to Miami Springs (Florida) | 4,278.33 mi (6,885.31 km) |
| Porthcawl to Miamisburg (Ohio) | 3,780.96 mi (6,084.87 km) |
| Porthcawl to Michigan City (Indiana) | 3,789.46 mi (6,098.55 km) |
| Porthcawl to Middle Island (New York) | 3,264.19 mi (5,253.21 km) |
| Porthcawl to Middle River (Maryland) | 3,474.43 mi (5,591.55 km) |
| Porthcawl to Middle Valley (Tennessee) | 4,025.50 mi (6,478.41 km) |
| Porthcawl to Middleburg (Florida) | 4,136.79 mi (6,657.52 km) |
| Porthcawl to Middleburg Heights (Ohio) | 3,604.86 mi (5,801.46 km) |
| Porthcawl to Middlesex (New Jersey) | 3,341.73 mi (5,377.99 km) |
| Porthcawl to Middleton (Wisconsin) | 3,827.86 mi (6,160.34 km) |
| Porthcawl to Middletown (Connecticut) | 3,224.50 mi (5,189.33 km) |
| Porthcawl to Middletown (Delaware) | 3,440.76 mi (5,537.37 km) |
| Porthcawl to Middletown (New York) | 3,301.65 mi (5,313.49 km) |
