| Llantrisant to Bailey's Crossroads (Virginia) | 3,537.20 mi (5,692.58 km) |
| Llantrisant to Bainbridge (Georgia) | 4,219.02 mi (6,789.86 km) |
| Llantrisant to Bainbridge Island (Washington) | 4,699.06 mi (7,562.41 km) |
| Llantrisant to Baker (Louisiana) | 4,506.31 mi (7,252.20 km) |
| Llantrisant to Bakersfield (California) | 5,285.72 mi (8,506.55 km) |
| Llantrisant to Balch Springs (Texas) | 4,616.51 mi (7,429.56 km) |
| Llantrisant to Baldwin (New York) | 3,313.37 mi (5,332.36 km) |
| Llantrisant to Baldwin (Pennsylvania) | 3,585.74 mi (5,770.69 km) |
| Llantrisant to Baldwin Park (California) | 5,322.36 mi (8,565.51 km) |
| Llantrisant to Ballenger Creek (Maryland) | 3,525.55 mi (5,673.82 km) |
| Llantrisant to Ballwin (Missouri) | 4,088.48 mi (6,579.78 km) |
| Llantrisant to Baltimore (Maryland) | 3,495.71 mi (5,625.80 km) |
| Llantrisant to Bangor (Maine) | 2,946.37 mi (4,741.73 km) |
| Llantrisant to Banning (California) | 5,294.20 mi (8,520.19 km) |
| Llantrisant to Baraboo (Wisconsin) | 3,830.10 mi (6,163.95 km) |
