| Llantrisant to Bountiful (Utah) | 4,746.63 mi (7,638.97 km) |
| Llantrisant to Bourbonnais (Illinois) | 3,863.19 mi (6,217.20 km) |
| Llantrisant to Bowie (Maryland) | 3,516.37 mi (5,659.05 km) |
| Llantrisant to Bowling Green (Kentucky) | 4,002.53 mi (6,441.45 km) |
| Llantrisant to Bowling Green (Ohio) | 3,688.44 mi (5,935.97 km) |
| Llantrisant to Box Elder (South Dakota) | 4,282.44 mi (6,891.91 km) |
| Llantrisant to Boynton Beach (Florida) | 4,246.79 mi (6,834.56 km) |
| Llantrisant to Bozeman (Montana) | 4,466.17 mi (7,187.60 km) |
| Llantrisant to Bradenton (Florida) | 4,304.55 mi (6,927.50 km) |
| Llantrisant to Bradfordville (Florida) | 4,220.02 mi (6,791.47 km) |
| Llantrisant to Bradley (Illinois) | 3,862.76 mi (6,216.51 km) |
| Llantrisant to Bradley Gardens (New Jersey) | 3,360.53 mi (5,408.25 km) |
| Llantrisant to Brainerd (Minnesota) | 3,863.06 mi (6,216.99 km) |
| Llantrisant to Brambleton (Virginia) | 3,547.87 mi (5,709.74 km) |
| Llantrisant to Brandermill (Virginia) | 3,622.16 mi (5,829.31 km) |
