| Cwmbran to Manor (Texas) | 4,784.55 mi (7,699.99 km) |
| Cwmbran to Manorville (New York) | 3,283.44 mi (5,284.19 km) |
| Cwmbran to Mansfield (Ohio) | 3,682.40 mi (5,926.25 km) |
| Cwmbran to Mansfield (Texas) | 4,654.74 mi (7,491.07 km) |
| Cwmbran to Manteca (California) | 5,222.67 mi (8,405.07 km) |
| Cwmbran to Manville (New Jersey) | 3,370.92 mi (5,424.97 km) |
| Cwmbran to Maple Grove (Minnesota) | 3,902.34 mi (6,280.20 km) |
| Cwmbran to Maple Heights (Ohio) | 3,615.31 mi (5,818.28 km) |
| Cwmbran to Maple Valley (Washington) | 4,704.55 mi (7,571.24 km) |
| Cwmbran to Mapleton (Utah) | 4,784.24 mi (7,699.50 km) |
| Cwmbran to Maplewood (Minnesota) | 3,892.16 mi (6,263.83 km) |
| Cwmbran to Marana (Arizona) | 5,186.75 mi (8,347.27 km) |
| Cwmbran to Marco Island (Florida) | 4,359.45 mi (7,015.85 km) |
| Cwmbran to Margate (Florida) | 4,280.52 mi (6,888.83 km) |
| Cwmbran to Maricopa (Arizona) | 5,183.48 mi (8,342.01 km) |
