| Llantwit Major to Westland (Michigan) | 3,635.91 mi (5,851.43 km) |
| Llantwit Major to Westminster (California) | 5,344.28 mi (8,600.79 km) |
| Llantwit Major to Westminster (Colorado) | 4,567.54 mi (7,350.75 km) |
| Llantwit Major to Westminster (Maryland) | 3,498.41 mi (5,630.15 km) |
| Llantwit Major to Westmont (California) | 5,343.90 mi (8,600.17 km) |
| Llantwit Major to Westmont (Illinois) | 3,839.12 mi (6,178.46 km) |
| Llantwit Major to Westmont (New Jersey) | 3,403.52 mi (5,477.44 km) |
| Llantwit Major to Weston (Florida) | 4,279.02 mi (6,886.41 km) |
| Llantwit Major to Weston (Wisconsin) | 3,759.91 mi (6,050.98 km) |
| Llantwit Major to Westphalia (Maryland) | 3,523.82 mi (5,671.04 km) |
| Llantwit Major to Westview (Florida) | 4,282.94 mi (6,892.73 km) |
| Llantwit Major to Westwood (New Jersey) | 3,315.10 mi (5,335.13 km) |
| Llantwit Major to Westwood Lakes (Florida) | 4,296.48 mi (6,914.51 km) |
| Llantwit Major to Wheat Ridge (Colorado) | 4,574.67 mi (7,362.23 km) |
| Llantwit Major to Wheaton (Illinois) | 3,841.54 mi (6,182.35 km) |
