| Risca to Blue Springs (Missouri) | 4,220.92 mi (6,792.91 km) |
| Risca to Bluffdale (Utah) | 4,776.86 mi (7,687.61 km) |
| Risca to Bluffton (Indiana) | 3,786.66 mi (6,094.05 km) |
| Risca to Bluffton (South Carolina) | 4,014.09 mi (6,460.05 km) |
| Risca to Blythe (California) | 5,241.74 mi (8,435.76 km) |
| Risca to Blytheville (Arkansas) | 4,200.74 mi (6,760.43 km) |
| Risca to Boca Raton (Florida) | 4,267.08 mi (6,867.21 km) |
| Risca to Boerne (Texas) | 4,860.26 mi (7,821.83 km) |
| Risca to Bogalusa (Louisiana) | 4,453.72 mi (7,167.57 km) |
| Risca to Boiling Springs (South Carolina) | 3,922.14 mi (6,312.07 km) |
| Risca to Boise (Idaho) | 4,744.46 mi (7,635.47 km) |
| Risca to Bolingbrook (Illinois) | 3,857.61 mi (6,208.22 km) |
| Risca to Bolivar (Missouri) | 4,256.80 mi (6,850.65 km) |
| Risca to Bon Air (Virginia) | 3,625.52 mi (5,834.71 km) |
| Risca to Bonham (Texas) | 4,564.95 mi (7,346.57 km) |
