| Llanelli to Willow Grove (Pennsylvania) | 3,362.09 mi (5,410.77 km) |
| Llanelli to Willowbrook (California) | 5,307.82 mi (8,542.11 km) |
| Llanelli to Willowick (Ohio) | 3,555.32 mi (5,721.73 km) |
| Llanelli to Wilmette (Illinois) | 3,781.81 mi (6,086.24 km) |
| Llanelli to Wilmington (Delaware) | 3,397.17 mi (5,467.21 km) |
| Llanelli to Wilmington (North Carolina) | 3,745.49 mi (6,027.79 km) |
| Llanelli to Wilmington (Ohio) | 3,747.50 mi (6,031.03 km) |
| Llanelli to Wilmington Island (Georgia) | 3,980.06 mi (6,405.29 km) |
| Llanelli to Wilson (North Carolina) | 3,676.37 mi (5,916.55 km) |
| Llanelli to Wilsonville (Oregon) | 4,806.94 mi (7,736.03 km) |
| Llanelli to Wilton Manors (Florida) | 4,233.02 mi (6,812.38 km) |
| Llanelli to Wimauma (Florida) | 4,247.74 mi (6,836.07 km) |
| Llanelli to Winchester (Kentucky) | 3,828.59 mi (6,161.53 km) |
| Llanelli to Winchester (Nevada) | 5,080.65 mi (8,176.52 km) |
| Llanelli to Winchester (Virginia) | 3,530.47 mi (5,681.75 km) |
