| Cwmbran to Blue Springs (Missouri) | 4,222.15 mi (6,794.89 km) |
| Cwmbran to Bluffdale (Utah) | 4,777.19 mi (7,688.14 km) |
| Cwmbran to Bluffton (Indiana) | 3,788.19 mi (6,096.50 km) |
| Cwmbran to Bluffton (South Carolina) | 4,016.31 mi (6,463.62 km) |
| Cwmbran to Blythe (California) | 5,242.27 mi (8,436.61 km) |
| Cwmbran to Blytheville (Arkansas) | 4,202.34 mi (6,763.02 km) |
| Cwmbran to Boca Raton (Florida) | 4,269.64 mi (6,871.32 km) |
| Cwmbran to Boerne (Texas) | 4,861.77 mi (7,824.26 km) |
| Cwmbran to Bogalusa (Louisiana) | 4,455.61 mi (7,170.61 km) |
| Cwmbran to Boiling Springs (South Carolina) | 3,924.15 mi (6,315.31 km) |
| Cwmbran to Boise (Idaho) | 4,744.43 mi (7,635.43 km) |
| Cwmbran to Bolingbrook (Illinois) | 3,858.95 mi (6,210.37 km) |
| Cwmbran to Bolivar (Missouri) | 4,258.15 mi (6,852.83 km) |
| Cwmbran to Bon Air (Virginia) | 3,627.58 mi (5,838.03 km) |
| Cwmbran to Bonham (Texas) | 4,566.39 mi (7,348.89 km) |
