| Llantwit Major to Monroe (Washington) | 4,676.25 mi (7,525.69 km) |
| Llantwit Major to Monroe (Wisconsin) | 3,866.36 mi (6,222.30 km) |
| Llantwit Major to Monroeville (Pennsylvania) | 3,573.95 mi (5,751.72 km) |
| Llantwit Major to Monrovia (California) | 5,321.04 mi (8,563.38 km) |
| Llantwit Major to Monsey (New York) | 3,311.15 mi (5,328.78 km) |
| Llantwit Major to Montclair (California) | 5,316.48 mi (8,556.04 km) |
| Llantwit Major to Montclair (Virginia) | 3,554.87 mi (5,721.01 km) |
| Llantwit Major to Montebello (California) | 5,333.39 mi (8,583.26 km) |
| Llantwit Major to Monterey (California) | 5,309.20 mi (8,544.33 km) |
| Llantwit Major to Monterey Park (California) | 5,332.19 mi (8,581.33 km) |
| Llantwit Major to Montgomery (Alabama) | 4,216.89 mi (6,786.43 km) |
| Llantwit Major to Montgomery (Illinois) | 3,857.44 mi (6,207.94 km) |
| Llantwit Major to Montgomery (Ohio) | 3,811.82 mi (6,134.54 km) |
| Llantwit Major to Montgomery Village (Maryland) | 3,523.79 mi (5,670.99 km) |
| Llantwit Major to Montgomeryville (Pennsylvania) | 3,396.47 mi (5,466.08 km) |
