| Llanelli to Wichita (Kansas) | 4,359.65 mi (7,016.19 km) |
| Llanelli to Wichita Falls (Texas) | 4,595.71 mi (7,396.07 km) |
| Llanelli to Wickliffe (Ohio) | 3,556.55 mi (5,723.71 km) |
| Llanelli to Wildomar (California) | 5,292.07 mi (8,516.77 km) |
| Llanelli to Wildwood (Florida) | 4,181.54 mi (6,729.54 km) |
| Llanelli to Wildwood (Missouri) | 4,059.04 mi (6,532.39 km) |
| Llanelli to Wilkes-Barre (Pennsylvania) | 3,346.03 mi (5,384.92 km) |
| Llanelli to Wilkinsburg (Pennsylvania) | 3,543.48 mi (5,702.69 km) |
| Llanelli to Williamsburg (Virginia) | 3,555.21 mi (5,721.56 km) |
| Llanelli to Williamsport (Pennsylvania) | 3,393.70 mi (5,461.63 km) |
| Llanelli to Williamstown (New Jersey) | 3,376.27 mi (5,433.58 km) |
| Llanelli to Willimantic (Connecticut) | 3,175.76 mi (5,110.89 km) |
| Llanelli to Williston (North Dakota) | 4,068.86 mi (6,548.20 km) |
| Llanelli to Willmar (Minnesota) | 3,916.99 mi (6,303.79 km) |
| Llanelli to Willoughby (Ohio) | 3,552.43 mi (5,717.09 km) |
