| Llantwit Major to Manassas (Virginia) | 3,554.74 mi (5,720.81 km) |
| Llantwit Major to Manassas Park (Virginia) | 3,552.03 mi (5,716.45 km) |
| Llantwit Major to Manatí (Puerto Rico) | 4,073.53 mi (6,555.72 km) |
| Llantwit Major to Manchester (Missouri) | 4,087.35 mi (6,577.95 km) |
| Llantwit Major to Manchester (New Hampshire) | 3,126.24 mi (5,031.19 km) |
| Llantwit Major to Manchester (Tennessee) | 4,058.75 mi (6,531.93 km) |
| Llantwit Major to Manchester (Virginia) | 3,613.28 mi (5,815.02 km) |
| Llantwit Major to Mandan (North Dakota) | 4,076.83 mi (6,561.03 km) |
| Llantwit Major to Mandeville (Louisiana) | 4,471.95 mi (7,196.91 km) |
| Llantwit Major to Mango (Florida) | 4,265.63 mi (6,864.86 km) |
| Llantwit Major to Manhattan (Kansas) | 4,292.76 mi (6,908.53 km) |
| Llantwit Major to Manhattan (New York) | 3,321.07 mi (5,344.74 km) |
| Llantwit Major to Manhattan Beach (California) | 5,350.00 mi (8,609.99 km) |
| Llantwit Major to Manitowoc (Wisconsin) | 3,724.45 mi (5,993.93 km) |
| Llantwit Major to Mankato (Minnesota) | 3,956.90 mi (6,368.02 km) |
