| Cwmbran to Medford (New York) | 3,292.96 mi (5,299.51 km) |
| Cwmbran to Medford (Oregon) | 5,011.98 mi (8,066.01 km) |
| Cwmbran to Medina (Ohio) | 3,639.67 mi (5,857.48 km) |
| Cwmbran to Medulla (Florida) | 4,269.92 mi (6,871.77 km) |
| Cwmbran to Mehlville (Missouri) | 4,094.39 mi (6,589.28 km) |
| Cwmbran to Melbourne (Florida) | 4,206.46 mi (6,769.64 km) |
| Cwmbran to Melissa (Texas) | 4,595.92 mi (7,396.42 km) |
| Cwmbran to Melrose (Massachusetts) | 3,145.52 mi (5,062.23 km) |
| Cwmbran to Melrose Park (Illinois) | 3,839.99 mi (6,179.87 km) |
| Cwmbran to Melville (New York) | 3,312.07 mi (5,330.26 km) |
| Cwmbran to Melvindale (Michigan) | 3,640.71 mi (5,859.16 km) |
| Cwmbran to Memphis (Florida) | 4,314.82 mi (6,944.03 km) |
| Cwmbran to Memphis (Tennessee) | 4,244.99 mi (6,831.65 km) |
| Cwmbran to Menasha (Wisconsin) | 3,756.82 mi (6,046.02 km) |
| Cwmbran to Mendota (California) | 5,255.32 mi (8,457.62 km) |
