| Porthcawl to Marietta (Georgia) | 4,057.68 mi (6,530.21 km) |
| Porthcawl to Marietta (Ohio) | 3,676.46 mi (5,916.69 km) |
| Porthcawl to Marina (California) | 5,291.02 mi (8,515.07 km) |
| Porthcawl to Marinette (Wisconsin) | 3,668.62 mi (5,904.08 km) |
| Porthcawl to Marion (Arkansas) | 4,227.58 mi (6,803.63 km) |
| Porthcawl to Marion (Illinois) | 4,055.43 mi (6,526.58 km) |
| Porthcawl to Marion (Indiana) | 3,794.51 mi (6,106.67 km) |
| Porthcawl to Marion (Iowa) | 3,955.63 mi (6,365.97 km) |
| Porthcawl to Marion (Ohio) | 3,691.41 mi (5,940.75 km) |
| Porthcawl to Marion Oaks (Florida) | 4,200.83 mi (6,760.58 km) |
| Porthcawl to Markham (Illinois) | 3,826.40 mi (6,158.00 km) |
| Porthcawl to Marlborough (Massachusetts) | 3,145.77 mi (5,062.63 km) |
| Porthcawl to Marlton (New Jersey) | 3,388.31 mi (5,452.96 km) |
| Porthcawl to Marquette (Michigan) | 3,597.13 mi (5,789.02 km) |
| Porthcawl to Marrero (Louisiana) | 4,486.99 mi (7,221.11 km) |
