| Pontypridd to Willow Grove (Pennsylvania) | 3,397.49 mi (5,467.73 km) |
| Pontypridd to Willowbrook (California) | 5,338.68 mi (8,591.78 km) |
| Pontypridd to Willowick (Ohio) | 3,590.15 mi (5,777.78 km) |
| Pontypridd to Wilmette (Illinois) | 3,815.99 mi (6,141.25 km) |
| Pontypridd to Wilmington (Delaware) | 3,432.57 mi (5,524.19 km) |
| Pontypridd to Wilmington (North Carolina) | 3,781.10 mi (6,085.09 km) |
| Pontypridd to Wilmington (Ohio) | 3,782.42 mi (6,087.21 km) |
| Pontypridd to Wilmington Island (Georgia) | 4,015.66 mi (6,462.58 km) |
| Pontypridd to Wilson (North Carolina) | 3,711.92 mi (5,973.76 km) |
| Pontypridd to Wilsonville (Oregon) | 4,834.30 mi (7,780.05 km) |
| Pontypridd to Wilton Manors (Florida) | 4,268.65 mi (6,869.72 km) |
| Pontypridd to Wimauma (Florida) | 4,283.39 mi (6,893.45 km) |
| Pontypridd to Winchester (Kentucky) | 3,863.64 mi (6,217.92 km) |
| Pontypridd to Winchester (Nevada) | 5,111.75 mi (8,226.56 km) |
| Pontypridd to Winchester (Virginia) | 3,565.79 mi (5,738.59 km) |
