| Llantwit Major to Barberton (Ohio) | 3,622.72 mi (5,830.20 km) |
| Llantwit Major to Bardstown (Kentucky) | 3,922.52 mi (6,312.69 km) |
| Llantwit Major to Barrington (Illinois) | 3,828.88 mi (6,161.98 km) |
| Llantwit Major to Barstow (California) | 5,250.26 mi (8,449.48 km) |
| Llantwit Major to Bartlesville (Oklahoma) | 4,388.54 mi (7,062.67 km) |
| Llantwit Major to Bartlett (Illinois) | 3,839.70 mi (6,179.40 km) |
| Llantwit Major to Bartlett (Tennessee) | 4,221.10 mi (6,793.20 km) |
| Llantwit Major to Bartow (Florida) | 4,250.22 mi (6,840.07 km) |
| Llantwit Major to Batavia (Illinois) | 3,849.75 mi (6,195.57 km) |
| Llantwit Major to Batavia (New York) | 3,399.63 mi (5,471.18 km) |
| Llantwit Major to Batesville (Arkansas) | 4,267.01 mi (6,867.08 km) |
| Llantwit Major to Baton Rouge (Louisiana) | 4,511.22 mi (7,260.11 km) |
| Llantwit Major to Battle Creek (Michigan) | 3,709.53 mi (5,969.91 km) |
| Llantwit Major to Battle Ground (Washington) | 4,808.19 mi (7,738.03 km) |
| Llantwit Major to Bay City (Michigan) | 3,600.48 mi (5,794.41 km) |
