| Cwmbran to Madison (New Jersey) | 3,354.54 mi (5,398.62 km) |
| Cwmbran to Madison (Wisconsin) | 3,844.47 mi (6,187.08 km) |
| Cwmbran to Madison Heights (Michigan) | 3,627.75 mi (5,838.30 km) |
| Cwmbran to Madison Heights (Virginia) | 3,694.01 mi (5,944.93 km) |
| Cwmbran to Madisonville (Kentucky) | 4,039.03 mi (6,500.18 km) |
| Cwmbran to Magalia (California) | 5,118.59 mi (8,237.58 km) |
| Cwmbran to Magna (Utah) | 4,768.95 mi (7,674.89 km) |
| Cwmbran to Magnolia (Arkansas) | 4,465.48 mi (7,186.50 km) |
| Cwmbran to Maili (Hawaii) | 7,168.82 mi (11,537.11 km) |
| Cwmbran to Maitland (Florida) | 4,210.50 mi (6,776.14 km) |
| Cwmbran to Makakilo (Hawaii) | 7,170.89 mi (11,540.44 km) |
| Cwmbran to Malden (Massachusetts) | 3,146.49 mi (5,063.78 km) |
| Cwmbran to Malibu (California) | 5,358.49 mi (8,623.66 km) |
| Cwmbran to Maltby (Washington) | 4,681.92 mi (7,534.83 km) |
| Cwmbran to Malvern (Arkansas) | 4,394.59 mi (7,072.41 km) |
