| Penarth to Mineral Wells (Texas) | 4,679.99 mi (7,531.71 km) |
| Penarth to Minneapolis (Minnesota) | 3,904.69 mi (6,283.99 km) |
| Penarth to Minnehaha (Washington) | 4,824.38 mi (7,764.08 km) |
| Penarth to Minneola (Florida) | 4,223.38 mi (6,796.88 km) |
| Penarth to Minnetonka (Minnesota) | 3,913.14 mi (6,297.59 km) |
| Penarth to Minooka (Illinois) | 3,877.75 mi (6,240.64 km) |
| Penarth to Minot (North Dakota) | 4,032.10 mi (6,489.03 km) |
| Penarth to Mint Hill (North Carolina) | 3,861.13 mi (6,213.89 km) |
| Penarth to Miramar (Florida) | 4,295.01 mi (6,912.14 km) |
| Penarth to Mishawaka (Indiana) | 3,785.37 mi (6,091.97 km) |
| Penarth to Mission (Texas) | 5,033.05 mi (8,099.91 km) |
| Penarth to Mission Bend (Texas) | 4,744.69 mi (7,635.84 km) |
| Penarth to Mission Viejo (California) | 5,350.14 mi (8,610.21 km) |
| Penarth to Missoula (Montana) | 4,507.12 mi (7,253.51 km) |
| Penarth to Missouri City (Texas) | 4,746.27 mi (7,638.38 km) |
