| Cwmbran to Bountiful (Utah) | 4,753.41 mi (7,649.87 km) |
| Cwmbran to Bourbonnais (Illinois) | 3,873.64 mi (6,234.02 km) |
| Cwmbran to Bowie (Maryland) | 3,528.80 mi (5,679.06 km) |
| Cwmbran to Bowling Green (Kentucky) | 4,014.03 mi (6,459.96 km) |
| Cwmbran to Bowling Green (Ohio) | 3,699.45 mi (5,953.68 km) |
| Cwmbran to Box Elder (South Dakota) | 4,290.01 mi (6,904.10 km) |
| Cwmbran to Boynton Beach (Florida) | 4,260.82 mi (6,857.12 km) |
| Cwmbran to Bozeman (Montana) | 4,472.15 mi (7,197.23 km) |
| Cwmbran to Bradenton (Florida) | 4,318.13 mi (6,949.35 km) |
| Cwmbran to Bradfordville (Florida) | 4,232.93 mi (6,812.24 km) |
| Cwmbran to Bradley (Illinois) | 3,873.23 mi (6,233.36 km) |
| Cwmbran to Bradley Gardens (New Jersey) | 3,372.90 mi (5,428.15 km) |
| Cwmbran to Brainerd (Minnesota) | 3,871.46 mi (6,230.52 km) |
| Cwmbran to Brambleton (Virginia) | 3,560.19 mi (5,729.57 km) |
| Cwmbran to Brandermill (Virginia) | 3,634.77 mi (5,849.60 km) |
