| Llantrisant to Willow Grove (Pennsylvania) | 3,397.30 mi (5,467.42 km) |
| Llantrisant to Willowbrook (California) | 5,340.22 mi (8,594.26 km) |
| Llantrisant to Willowick (Ohio) | 3,590.37 mi (5,778.14 km) |
| Llantrisant to Wilmette (Illinois) | 3,816.53 mi (6,142.12 km) |
| Llantrisant to Wilmington (Delaware) | 3,432.37 mi (5,523.87 km) |
| Llantrisant to Wilmington (North Carolina) | 3,780.61 mi (6,084.30 km) |
| Llantrisant to Wilmington (Ohio) | 3,782.59 mi (6,087.49 km) |
| Llantrisant to Wilmington Island (Georgia) | 4,015.19 mi (6,461.82 km) |
| Llantrisant to Wilson (North Carolina) | 3,711.54 mi (5,973.15 km) |
| Llantrisant to Wilsonville (Oregon) | 4,836.51 mi (7,783.62 km) |
| Llantrisant to Wilton Manors (Florida) | 4,267.77 mi (6,868.32 km) |
| Llantrisant to Wimauma (Florida) | 4,282.73 mi (6,892.38 km) |
| Llantrisant to Winchester (Kentucky) | 3,863.73 mi (6,218.07 km) |
| Llantrisant to Winchester (Nevada) | 5,113.23 mi (8,228.96 km) |
| Llantrisant to Winchester (Virginia) | 3,565.67 mi (5,738.40 km) |
