| Llantwit Major to Bailey's Crossroads (Virginia) | 3,535.72 mi (5,690.19 km) |
| Llantwit Major to Bainbridge (Georgia) | 4,217.18 mi (6,786.89 km) |
| Llantwit Major to Bainbridge Island (Washington) | 4,703.58 mi (7,569.68 km) |
| Llantwit Major to Baker (Louisiana) | 4,505.23 mi (7,250.47 km) |
| Llantwit Major to Bakersfield (California) | 5,288.61 mi (8,511.19 km) |
| Llantwit Major to Balch Springs (Texas) | 4,616.39 mi (7,429.36 km) |
| Llantwit Major to Baldwin (New York) | 3,311.82 mi (5,329.86 km) |
| Llantwit Major to Baldwin (Pennsylvania) | 3,584.85 mi (5,769.25 km) |
| Llantwit Major to Baldwin Park (California) | 5,324.98 mi (8,569.73 km) |
| Llantwit Major to Ballenger Creek (Maryland) | 3,524.19 mi (5,671.63 km) |
| Llantwit Major to Ballwin (Missouri) | 4,088.48 mi (6,579.78 km) |
| Llantwit Major to Baltimore (Maryland) | 3,494.25 mi (5,623.45 km) |
| Llantwit Major to Bangor (Maine) | 2,945.16 mi (4,739.77 km) |
| Llantwit Major to Banning (California) | 5,296.68 mi (8,524.19 km) |
| Llantwit Major to Baraboo (Wisconsin) | 3,830.78 mi (6,165.05 km) |
