| Llantwit Major to Madison (New Jersey) | 3,340.74 mi (5,376.40 km) |
| Llantwit Major to Madison (Wisconsin) | 3,835.22 mi (6,172.19 km) |
| Llantwit Major to Madison Heights (Michigan) | 3,616.74 mi (5,820.58 km) |
| Llantwit Major to Madison Heights (Virginia) | 3,680.10 mi (5,922.54 km) |
| Llantwit Major to Madisonville (Kentucky) | 4,027.20 mi (6,481.16 km) |
| Llantwit Major to Magalia (California) | 5,117.01 mi (8,235.03 km) |
| Llantwit Major to Magna (Utah) | 4,764.90 mi (7,668.37 km) |
| Llantwit Major to Magnolia (Arkansas) | 4,453.85 mi (7,167.78 km) |
| Llantwit Major to Maili (Hawaii) | 7,176.47 mi (11,549.42 km) |
| Llantwit Major to Maitland (Florida) | 4,194.36 mi (6,750.17 km) |
| Llantwit Major to Makakilo (Hawaii) | 7,178.50 mi (11,552.68 km) |
| Llantwit Major to Malden (Massachusetts) | 3,132.59 mi (5,041.42 km) |
| Llantwit Major to Malibu (California) | 5,354.52 mi (8,617.26 km) |
| Llantwit Major to Maltby (Washington) | 4,682.69 mi (7,536.06 km) |
| Llantwit Major to Malvern (Arkansas) | 4,383.20 mi (7,054.07 km) |
