| Cwmbran to Marietta (Georgia) | 4,081.73 mi (6,568.91 km) |
| Cwmbran to Marietta (Ohio) | 3,699.50 mi (5,953.77 km) |
| Cwmbran to Marina (California) | 5,303.61 mi (8,535.33 km) |
| Cwmbran to Marinette (Wisconsin) | 3,688.08 mi (5,935.38 km) |
| Cwmbran to Marion (Arkansas) | 4,249.89 mi (6,839.53 km) |
| Cwmbran to Marion (Illinois) | 4,077.25 mi (6,561.70 km) |
| Cwmbran to Marion (Indiana) | 3,816.17 mi (6,141.52 km) |
| Cwmbran to Marion (Iowa) | 3,975.29 mi (6,397.62 km) |
| Cwmbran to Marion (Ohio) | 3,713.65 mi (5,976.54 km) |
| Cwmbran to Marion Oaks (Florida) | 4,226.71 mi (6,802.24 km) |
| Cwmbran to Markham (Illinois) | 3,847.19 mi (6,191.46 km) |
| Cwmbran to Marlborough (Massachusetts) | 3,169.91 mi (5,101.48 km) |
| Cwmbran to Marlton (New Jersey) | 3,412.63 mi (5,492.10 km) |
| Cwmbran to Marquette (Michigan) | 3,616.03 mi (5,819.43 km) |
| Cwmbran to Marrero (Louisiana) | 4,510.83 mi (7,259.48 km) |
