| Cwmbran to Black Forest (Colorado) | 4,602.74 mi (7,407.39 km) |
| Cwmbran to Blackfoot (Idaho) | 4,644.72 mi (7,474.96 km) |
| Cwmbran to Blackhawk (California) | 5,242.24 mi (8,436.57 km) |
| Cwmbran to Blacksburg (Virginia) | 3,758.32 mi (6,048.43 km) |
| Cwmbran to Blackwells Mills (New Jersey) | 3,374.05 mi (5,430.01 km) |
| Cwmbran to Blaine (Minnesota) | 3,890.28 mi (6,260.81 km) |
| Cwmbran to Bloomingdale (Florida) | 4,285.47 mi (6,896.80 km) |
| Cwmbran to Bloomingdale (Illinois) | 3,846.55 mi (6,190.42 km) |
| Cwmbran to Bloomington (California) | 5,311.58 mi (8,548.16 km) |
| Cwmbran to Bloomington (Illinois) | 3,948.76 mi (6,354.91 km) |
| Cwmbran to Bloomington (Indiana) | 3,914.33 mi (6,299.50 km) |
| Cwmbran to Bloomington (Minnesota) | 3,909.83 mi (6,292.26 km) |
| Cwmbran to Bloomsburg (Pennsylvania) | 3,427.42 mi (5,515.90 km) |
| Cwmbran to Blue Ash (Ohio) | 3,825.32 mi (6,156.26 km) |
| Cwmbran to Blue Island (Illinois) | 3,844.18 mi (6,186.62 km) |
