| Llantrisant to Mineral Wells (Texas) | 4,668.72 mi (7,513.58 km) |
| Llantrisant to Minneapolis (Minnesota) | 3,893.11 mi (6,265.36 km) |
| Llantrisant to Minnehaha (Washington) | 4,812.76 mi (7,745.40 km) |
| Llantrisant to Minneola (Florida) | 4,213.29 mi (6,780.64 km) |
| Llantrisant to Minnetonka (Minnesota) | 3,901.56 mi (6,278.95 km) |
| Llantrisant to Minooka (Illinois) | 3,866.44 mi (6,222.44 km) |
| Llantrisant to Minot (North Dakota) | 4,020.37 mi (6,470.16 km) |
| Llantrisant to Mint Hill (North Carolina) | 3,850.57 mi (6,196.90 km) |
| Llantrisant to Miramar (Florida) | 4,285.25 mi (6,896.45 km) |
| Llantrisant to Mishawaka (Indiana) | 3,774.12 mi (6,073.86 km) |
| Llantrisant to Mission (Texas) | 5,022.07 mi (8,082.24 km) |
| Llantrisant to Mission Bend (Texas) | 4,733.67 mi (7,618.10 km) |
| Llantrisant to Mission Viejo (California) | 5,338.41 mi (8,591.34 km) |
| Llantrisant to Missoula (Montana) | 4,495.41 mi (7,234.67 km) |
| Llantrisant to Missouri City (Texas) | 4,735.26 mi (7,620.66 km) |
