| Rhondda to Murray (Kentucky) | 4,091.45 mi (6,584.56 km) |
| Rhondda to Murray (Utah) | 4,754.62 mi (7,651.83 km) |
| Rhondda to Murraysville (North Carolina) | 3,772.04 mi (6,070.52 km) |
| Rhondda to Murrieta (California) | 5,320.36 mi (8,562.29 km) |
| Rhondda to Murrysville (Pennsylvania) | 3,566.33 mi (5,739.45 km) |
| Rhondda to Muscatine (Iowa) | 3,971.13 mi (6,390.92 km) |
| Rhondda to Muscle Shoals (Alabama) | 4,154.11 mi (6,685.39 km) |
| Rhondda to Muscoy (California) | 5,292.87 mi (8,518.05 km) |
| Rhondda to Muskego (Wisconsin) | 3,791.38 mi (6,101.63 km) |
| Rhondda to Muskegon (Michigan) | 3,704.11 mi (5,961.19 km) |
| Rhondda to Muskogee (Oklahoma) | 4,411.07 mi (7,098.94 km) |
| Rhondda to Mustang (Oklahoma) | 4,520.05 mi (7,274.32 km) |
| Rhondda to Myers Corner (New York) | 3,281.82 mi (5,281.58 km) |
| Rhondda to Myrtle Beach (South Carolina) | 3,843.12 mi (6,184.90 km) |
| Rhondda to Myrtle Grove (Florida) | 4,353.33 mi (7,006.01 km) |
