| Cwmbran to Bailey's Crossroads (Virginia) | 3,549.61 mi (5,712.54 km) |
| Cwmbran to Bainbridge (Georgia) | 4,231.83 mi (6,810.47 km) |
| Cwmbran to Bainbridge Island (Washington) | 4,702.74 mi (7,568.34 km) |
| Cwmbran to Baker (Louisiana) | 4,518.23 mi (7,271.39 km) |
| Cwmbran to Bakersfield (California) | 5,292.16 mi (8,516.91 km) |
| Cwmbran to Balch Springs (Texas) | 4,627.26 mi (7,446.85 km) |
| Cwmbran to Baldwin (New York) | 3,325.86 mi (5,352.45 km) |
| Cwmbran to Baldwin (Pennsylvania) | 3,597.46 mi (5,789.55 km) |
| Cwmbran to Baldwin Park (California) | 5,329.20 mi (8,576.52 km) |
| Cwmbran to Ballenger Creek (Maryland) | 3,537.80 mi (5,693.54 km) |
| Cwmbran to Ballwin (Missouri) | 4,099.08 mi (6,596.83 km) |
| Cwmbran to Baltimore (Maryland) | 3,508.09 mi (5,645.72 km) |
| Cwmbran to Bangor (Maine) | 2,958.48 mi (4,761.21 km) |
| Cwmbran to Banning (California) | 5,301.27 mi (8,531.57 km) |
| Cwmbran to Baraboo (Wisconsin) | 3,839.80 mi (6,179.56 km) |
