| Swansea to Maricopa (Arizona) | 1,287.51 mi (2,072.05 km) |
| Swansea to Marietta (Georgia) | 439.03 mi (706.55 km) |
| Swansea to Marietta (Ohio) | 462.38 mi (744.13 km) |
| Swansea to Marina (California) | 1,736.73 mi (2,794.99 km) |
| Swansea to Marinette (Wisconsin) | 467.52 mi (752.40 km) |
| Swansea to Marion (Arkansas) | 231.59 mi (372.71 km) |
| Swansea to Marion (Illinois) | 79.98 mi (128.72 km) |
| Swansea to Marion (Indiana) | 268.61 mi (432.29 km) |
| Swansea to Marion (Iowa) | 255.71 mi (411.53 km) |
| Swansea to Marion (Ohio) | 391.77 mi (630.50 km) |
| Swansea to Marion Oaks (Florida) | 796.47 mi (1,281.79 km) |
| Swansea to Markham (Illinois) | 243.11 mi (391.26 km) |
| Swansea to Marlborough (Massachusetts) | 1,002.13 mi (1,612.77 km) |
| Swansea to Marlton (New Jersey) | 810.28 mi (1,304.02 km) |
| Swansea to Marquette (Michigan) | 567.57 mi (913.41 km) |
