| Abertawe to Blue Springs (Missouri) | 4,187.85 mi (6,739.70 km) |
| Abertawe to Bluffdale (Utah) | 4,747.97 mi (7,641.12 km) |
| Abertawe to Bluffton (Indiana) | 3,752.52 mi (6,039.09 km) |
| Abertawe to Bluffton (South Carolina) | 3,978.00 mi (6,401.98 km) |
| Abertawe to Blythe (California) | 5,211.83 mi (8,387.62 km) |
| Abertawe to Blytheville (Arkansas) | 4,166.31 mi (6,705.03 km) |
| Abertawe to Boca Raton (Florida) | 4,230.46 mi (6,808.26 km) |
| Abertawe to Boerne (Texas) | 4,826.14 mi (7,766.93 km) |
| Abertawe to Bogalusa (Louisiana) | 4,418.44 mi (7,110.79 km) |
| Abertawe to Boiling Springs (South Carolina) | 3,886.52 mi (6,254.75 km) |
| Abertawe to Boise (Idaho) | 4,717.58 mi (7,592.21 km) |
| Abertawe to Bolingbrook (Illinois) | 3,824.14 mi (6,154.35 km) |
| Abertawe to Bolivar (Missouri) | 4,223.27 mi (6,796.70 km) |
| Abertawe to Bon Air (Virginia) | 3,589.80 mi (5,777.22 km) |
| Abertawe to Bonham (Texas) | 4,531.08 mi (7,292.07 km) |
