| Llantwit Major to Buenaventura Lakes (Florida) | 4,208.16 mi (6,772.39 km) |
| Llantwit Major to Buffalo (Minnesota) | 3,906.29 mi (6,286.57 km) |
| Llantwit Major to Buffalo (New York) | 3,430.53 mi (5,520.91 km) |
| Llantwit Major to Buffalo Grove (Illinois) | 3,821.71 mi (6,150.45 km) |
| Llantwit Major to Buford (Georgia) | 4,037.29 mi (6,497.39 km) |
| Llantwit Major to Bull Run (Virginia) | 3,554.82 mi (5,720.94 km) |
| Llantwit Major to Bullhead City (Arizona) | 5,151.70 mi (8,290.85 km) |
| Llantwit Major to Burbank (California) | 5,330.76 mi (8,579.04 km) |
| Llantwit Major to Burbank (Illinois) | 3,833.43 mi (6,169.31 km) |
| Llantwit Major to Burien (Washington) | 4,707.36 mi (7,575.76 km) |
| Llantwit Major to Burkburnett (Texas) | 4,623.62 mi (7,440.99 km) |
| Llantwit Major to Burke (Virginia) | 3,544.33 mi (5,704.04 km) |
| Llantwit Major to Burke Centre (Virginia) | 3,545.27 mi (5,705.55 km) |
| Llantwit Major to Burleson (Texas) | 4,654.99 mi (7,491.48 km) |
| Llantwit Major to Burley (Idaho) | 4,723.02 mi (7,600.97 km) |
