| Pontneddfechan to Brownsburg (Indiana) | 3,852.46 mi (6,199.94 km) |
| Pontneddfechan to Brownsville (Florida) | 4,278.23 mi (6,885.15 km) |
| Pontneddfechan to Brownsville (Texas) | 4,984.35 mi (8,021.54 km) |
| Pontneddfechan to Brownwood (Texas) | 4,746.14 mi (7,638.18 km) |
| Pontneddfechan to Brunswick (Georgia) | 4,065.71 mi (6,543.13 km) |
| Pontneddfechan to Brunswick (Ohio) | 3,607.60 mi (5,805.87 km) |
| Pontneddfechan to Brushy Creek (Texas) | 4,759.84 mi (7,660.23 km) |
| Pontneddfechan to Bryan (Texas) | 4,698.33 mi (7,561.23 km) |
| Pontneddfechan to Bryant (Arkansas) | 4,344.43 mi (6,991.69 km) |
| Pontneddfechan to Bryn Mawr-Skyway (Washington) | 4,681.96 mi (7,534.88 km) |
| Pontneddfechan to Buckeye (Arizona) | 5,160.61 mi (8,305.19 km) |
| Pontneddfechan to Buckhall (Virginia) | 3,542.89 mi (5,701.73 km) |
| Pontneddfechan to Bucyrus (Ohio) | 3,673.13 mi (5,911.33 km) |
| Pontneddfechan to Buda (Texas) | 4,786.84 mi (7,703.68 km) |
| Pontneddfechan to Buena Park (California) | 5,319.75 mi (8,561.31 km) |
