| Llantwit Major to Watervliet (New York) | 3,229.61 mi (5,197.56 km) |
| Llantwit Major to Watsonville (California) | 5,287.01 mi (8,508.62 km) |
| Llantwit Major to Wauconda (Illinois) | 3,823.58 mi (6,153.46 km) |
| Llantwit Major to Waukee (Iowa) | 4,074.15 mi (6,556.71 km) |
| Llantwit Major to Waukegan (Illinois) | 3,809.09 mi (6,130.13 km) |
| Llantwit Major to Waukesha (Wisconsin) | 3,794.71 mi (6,107.00 km) |
| Llantwit Major to Waunakee (Wisconsin) | 3,832.63 mi (6,168.02 km) |
| Llantwit Major to Waupun (Wisconsin) | 3,785.53 mi (6,092.23 km) |
| Llantwit Major to Wausau (Wisconsin) | 3,760.37 mi (6,051.73 km) |
| Llantwit Major to Wauwatosa (Wisconsin) | 3,784.21 mi (6,090.10 km) |
| Llantwit Major to Waverly (Iowa) | 3,968.06 mi (6,385.97 km) |
| Llantwit Major to Waverly (Michigan) | 3,666.75 mi (5,901.06 km) |
| Llantwit Major to Waxahachie (Texas) | 4,641.50 mi (7,469.78 km) |
| Llantwit Major to Waxhaw (North Carolina) | 3,864.01 mi (6,218.53 km) |
| Llantwit Major to Waycross (Georgia) | 4,109.49 mi (6,613.58 km) |
