| Rockford to Bound Brook (New Jersey) | 760.74 mi (1,224.29 km) |
| Rockford to Bountiful (Utah) | 1,179.04 mi (1,897.48 km) |
| Rockford to Bourbonnais (Illinois) | 96.29 mi (154.96 km) |
| Rockford to Bowie (Maryland) | 684.79 mi (1,102.07 km) |
| Rockford to Bowling Green (Kentucky) | 391.14 mi (629.47 km) |
| Rockford to Bowling Green (Ohio) | 285.33 mi (459.20 km) |
| Rockford to Box Elder (South Dakota) | 716.78 mi (1,153.54 km) |
| Rockford to Boynton Beach (Florida) | 1,199.83 mi (1,930.94 km) |
| Rockford to Bozeman (Montana) | 1,115.06 mi (1,794.51 km) |
| Rockford to Bradenton (Florida) | 1,083.85 mi (1,744.29 km) |
| Rockford to Bradfordville (Florida) | 851.02 mi (1,369.59 km) |
| Rockford to Bradley (Illinois) | 98.39 mi (158.34 km) |
| Rockford to Bradley Gardens (New Jersey) | 754.07 mi (1,213.56 km) |
| Rockford to Brainerd (Minnesota) | 380.00 mi (611.54 km) |
| Rockford to Brambleton (Virginia) | 645.17 mi (1,038.31 km) |
