| Cwmbran to Bonita (California) | 5,377.66 mi (8,654.50 km) |
| Cwmbran to Bonita Springs (Florida) | 4,341.78 mi (6,987.42 km) |
| Cwmbran to Bonney Lake (Washington) | 4,718.67 mi (7,593.97 km) |
| Cwmbran to Boone (Iowa) | 4,060.80 mi (6,535.22 km) |
| Cwmbran to Boone (North Carolina) | 3,856.44 mi (6,206.35 km) |
| Cwmbran to Borger (Texas) | 4,659.27 mi (7,498.38 km) |
| Cwmbran to Bossier City (Louisiana) | 4,521.02 mi (7,275.87 km) |
| Cwmbran to Boston (Massachusetts) | 3,152.20 mi (5,072.97 km) |
| Cwmbran to Bostonia (California) | 5,366.25 mi (8,636.14 km) |
| Cwmbran to Bothell (Washington) | 4,686.28 mi (7,541.83 km) |
| Cwmbran to Bothell East (Washington) | 4,683.89 mi (7,537.99 km) |
| Cwmbran to Bothell West (Washington) | 4,685.45 mi (7,540.50 km) |
| Cwmbran to Boulder (Colorado) | 4,573.21 mi (7,359.87 km) |
| Cwmbran to Boulder City (Nevada) | 5,129.58 mi (8,255.27 km) |
| Cwmbran to Bound Brook (New Jersey) | 3,367.73 mi (5,419.83 km) |
