| Pontneddfechan to Blue Springs (Missouri) | 4,197.33 mi (6,754.95 km) |
| Pontneddfechan to Bluffdale (Utah) | 4,753.95 mi (7,650.74 km) |
| Pontneddfechan to Bluffton (Indiana) | 3,763.09 mi (6,056.11 km) |
| Pontneddfechan to Bluffton (South Carolina) | 3,991.07 mi (6,423.01 km) |
| Pontneddfechan to Blythe (California) | 5,218.60 mi (8,398.52 km) |
| Pontneddfechan to Blytheville (Arkansas) | 4,177.19 mi (6,722.54 km) |
| Pontneddfechan to Boca Raton (Florida) | 4,244.66 mi (6,831.11 km) |
| Pontneddfechan to Boerne (Texas) | 4,836.68 mi (7,783.89 km) |
| Pontneddfechan to Bogalusa (Louisiana) | 4,430.34 mi (7,129.94 km) |
| Pontneddfechan to Boiling Springs (South Carolina) | 3,898.87 mi (6,274.63 km) |
| Pontneddfechan to Boise (Idaho) | 4,722.10 mi (7,599.49 km) |
| Pontneddfechan to Bolingbrook (Illinois) | 3,834.01 mi (6,170.25 km) |
| Pontneddfechan to Bolivar (Missouri) | 4,233.20 mi (6,812.68 km) |
| Pontneddfechan to Bon Air (Virginia) | 3,602.31 mi (5,797.35 km) |
| Pontneddfechan to Bonham (Texas) | 4,541.36 mi (7,308.61 km) |
