| Pontypridd to Medford (New York) | 3,280.67 mi (5,279.73 km) |
| Pontypridd to Medford (Oregon) | 5,005.32 mi (8,055.28 km) |
| Pontypridd to Medina (Ohio) | 3,628.16 mi (5,838.97 km) |
| Pontypridd to Medulla (Florida) | 4,257.00 mi (6,850.97 km) |
| Pontypridd to Mehlville (Missouri) | 4,083.32 mi (6,571.46 km) |
| Pontypridd to Melbourne (Florida) | 4,193.45 mi (6,748.71 km) |
| Pontypridd to Melissa (Texas) | 4,584.85 mi (7,378.60 km) |
| Pontypridd to Melrose (Massachusetts) | 3,133.31 mi (5,042.57 km) |
| Pontypridd to Melrose Park (Illinois) | 3,829.15 mi (6,162.43 km) |
| Pontypridd to Melville (New York) | 3,299.81 mi (5,310.53 km) |
| Pontypridd to Melvindale (Michigan) | 3,629.49 mi (5,841.10 km) |
| Pontypridd to Memphis (Florida) | 4,301.91 mi (6,923.25 km) |
| Pontypridd to Memphis (Tennessee) | 4,233.46 mi (6,813.10 km) |
| Pontypridd to Menasha (Wisconsin) | 3,746.39 mi (6,029.23 km) |
| Pontypridd to Mendota (California) | 5,247.60 mi (8,445.20 km) |
